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If you have hard water, the filter be stained yellow. We manufacture our filters by utilizing a special interweaving locking pattern in order to keep the filter rigid and upright, even when soaking wet.
Our competitors don’t do this and use cheaper manufacturing methods that leads to worse performance. To increase filter length: use cold distilled water, flip daily, and soak in white vinegar.

Tips for daily use - for best results, flip your compatible Honeywell humidifier filter HAC 504 replacement daily and only fill humidifier tank with distilled water. Rigid construction to reduce sagging - our replacements for Honeywell replacement Filter A and Honeywell replacement filter HAC-504 are constructed with rigid absorbent paper to improve our filter's structure once wet and reduce sagging.
Compatible with honeywell humidifier filter model hcm350w & more - fits hcm350w, hcm600, hcm53520, hcm-315t, hcm530, hcm300t, hcm-551, hcm-305t, hcm-310t, hcm-540, hcm-560, hcm-535-20, hcm-300, hcm450bcst, hcm-350, hcm560, hcm-550-19, hcm-600, hcm500, hcm305t, hcm350b, hcm630, hcm-550, hcm-350b, hcm-350w, hcm315t, hcm305bcst, hcm55019, hcm300, hcm-631, hcm550, hcm310t, hcm-300t, hcm-535, hcm-450b-cst, hcm350, hcm-350b-cst, hcm-500, hcm540, hCM551, hcm-630, hcm353, hcm-530, HCM631.

Pack of 4 humidifier replacement, regular replaced to prevent excessive drying into your house. Ideal replacement - The filter material is reinforced for maximum efficiency and longer filter life. Tips - the discoloration of humidifier replacement is natural and will vary depending on water.
4 pieces of great value - it is a great, affordable option for your home humidification. Humidifier models - for honeywell humidifier models: hcm-300 series: hcm-300t, hcm-350, hcm-305t, hcm-632, hcm-650 | hcm-700 series: hcm-710 | hcm-1000 series: hcm-1000, hcm-1010 | hcm-2000 series: hcm-2000, hcm-2001, hcm-631, hcm-645, hcm-2020, hcm-350w | hcm-500 series: hcm-530, hcm-310t, hcm-535, hcm-550, hcm-540, hcm-2000c, hcm-315t, hcm-350b, hcm-635, hcm-1000c, hcm-2050. If our product didn't meet your exceptation, feel free to cantact us.

A blue pre-filter layer helps capture large particles. Honeywell humidifiers: humidity levels in your home between 40-60% can make the air feel warmer & dry skin. Humidifier replacement filter: hac504 filter a works with evaporative honeywell humidifiers in the HCM-350, HEV355, HCM-710 & HCM-315/HEV312 model series.
Dry air can cause static electricity, sleeping, damage wooden furniture & improve your breathing comfort, nasal congestion & irritate health issues. Honeywell quality: improve your air quality & neutralize odors for a clean & healthy breathing experience year round with Honeywell replacement filters for air cleaners, purifiers & humidifiers. Captures minerals in the water in your humidifier & helps reduce white dust.

Filter dimensions: h: 7. 0 x l 5. 3 x w: 4. 8 inches. If you have any quality problem during warranty period, please contact Funmit customer service team in time, and we will try our best to solve your problems.
Replacement For Honeywell Filter A. The interlaced mesh structure allows water to pass through the voids to create capillarity. Thick absorbent craft- our compatible with honeywell humidifier filters adopt strong and thick absorbent paper. Excessive use of hard water will degrade filters and cause them to turn yellow prematurely. We recommend you to replace the comaptible HAC-504 replacement filter every 2-3 months for optimal performance depending upon your usage and environment.

Filter design fit for hcm-300 series: hcm-300t, hcm-635, hcm-640bw, hcm-646, hcm-2051, hcm-350, hcm-2002, hcm2052, hcm-535, hcm-1000 series: hcm-1000, hcm-315t, hev-312, hcm-1000c, hcm-1010, hcm-305t, hcm-632tg, hcm-631, hcm-2050, hcm-632, hcm-450bcst, hcm-650, hcm-645, hcm-350w, hcm-535-20, hcm-2000 series: hcm-2000c, hcm-550-19, hcm-551, hcm-310t, hcm-700 series: hcm-710, hcm-550, hcm-560.
The newly upgraded blue grid appearance enhances product performance and further ensures the cleanliness of the product. Easy to install and replace for best performance, it is recommended to replace the filter wick every 1-2 months. Excellent performance ️please invade the water for a few minutes before use, they will fit just fine. Bring you multiple protection and family health escort. Let your family live in a fresh indoor environment.


Bring you multiple protection and family health escort. Let your family live in a fresh indoor environment. If you have any questions, please feel free to contact us. Friendly service: each product is individually packaged and ensure product quality.
High-quality materials: the professional environmental protection imported blue filter paper has a diamond-shaped grid structure. Please immerse the humidifier filter in water before use to ensure uninterrupted water output. Comfortable use: the blue pre-filter layer can completely filter, helping to maximize the service life of the filter. We promise to provide the highest quality products and promise to provide 100% quality customer service.

5 gallon top fill tanks. Use them when the air is dry, in season, when sick or even just to maintain optimal indoor humidity levels. Humidifiers for bedroom and more – a cool moisture humidifier fits perfectly into any room, making it a great choice for your whole family.
It also has a humidifier filter treated with Protec which helps keeps off the growth and migration of water bodies and on the filter. *. Cool moisture humidifier – honeywell easy-to-care cool moisture console humidifier HEV685W produces cool, invisible moisture to ensure proper humidity levels. Cough and congestion relief – humidifiers for home can be helpful during cold and flu season, when it’s difficult to sleep with cough and congestion.

100% satisfaction guaranteed 30 days full money back guarantee, Pls contact us first when you get some problem, Low price and high quality, we will offer you assistance asap. Hcm-600 series: hcm-630, hcm-700 series: hcm-710, HCM-540, HEV-355. Replace the filter wick regularly to make the home feel moist and warmer. The newly upgraded blue grid appearance enhances product performance and further ensures the cleanliness of the product.
1. Frequent Filter
#ad
Pack of 4, HAC504, Compatible Honeywell Germ Free Cool Mist Wicking Humidifier, Filter A. Fits HCM 350, 504AW, HCM350, Quietcare Tower & More. Replacement HAC 504, HCM350w, Frequent Filter
#adFrequent Filter #ad - Our filters are treated to increase filter length but the exact time to replace the filter will vary based on your water and air quality. We are a usa based company and we know we sell the highest quality and best humidifier filters on Amazon. We stand by our products with an unmatched 5 year replacement warranty and full satisfaction guarantee! Product contains 4 premium 2022 upgraded honeywell humidifier filters for Filter A, HAC-504AW, HAC-504, and HAC504V1.If you have hard water, the filter be stained yellow. We manufacture our filters by utilizing a special interweaving locking pattern in order to keep the filter rigid and upright, even when soaking wet.
More information #ad
The best wicking filters for Honeywell humidifiers. Designed to fit the following honeywell humidifier models: hcm350w, hcm-631, hcm-550, hcm310t, hcm-350w, hcm53520, hcm300, hcm540, hcm55019, hcm-535-20, hcm530, hcm353, hcm300t, hcm630, hcm550, hcm-540, hcm-500, hcm-310t, hcm500, hcm560, hcm-300t, hcm-551, hcm450bcst, hcm-350b-cst, HCM315T, HCM-600, hcm-530, hcm350b, hcm-305t, HCM-315T, hcm305bcst, hcm600, hcm350, hcm551, hcm-450b-cst, hcm-630, hcm-560, hcm-550-19, hcm-535, hcm-300, hcm305t, hcm-350, hcm-350b, HCM631. Our competitors don’t do this and use cheaper manufacturing methods that leads to worse performance. To increase filter length: use cold distilled water, flip daily, and soak in white vinegar.
Brand | Frequent Filter #ad |
Manufacturer | Frequent Filter #ad |
Weight | 0.51 Pounds |
Part Number | HAC504 |
Model | HAC504 |
More information #ad
2. Durabasics
#ad
HAC-504AW & Honeywell Filter A | Replacement for Honeywell Filter HCM 350 & Cool Mist Humidifiers, Durabasics 4 Pack of Premium Humidifier Filters Compatible with Honeywell Humidifier Filter HAC-504
#adDurabasics #ad - Hard water degrades ALL compatible Honeywell humidifier filters and yellows them prematurely. Soak before replacing your compatible honeywell humidifier Filters Replacement Filters - Soak your Durabasics wick for Honeywell HCM350W filter in cool water before replacing to ensure uninterrupted moisture output.Tips for daily use - for best results, flip your compatible Honeywell humidifier filter HAC 504 replacement daily and only fill humidifier tank with distilled water. Rigid construction to reduce sagging - our replacements for Honeywell replacement Filter A and Honeywell replacement filter HAC-504 are constructed with rigid absorbent paper to improve our filter's structure once wet and reduce sagging.
More information #ad
Made from high-quality, hac-504aw, durable material with an optimized filter design to maximize your compatible Honeywell HCM 350 filter moisture output. 4 piece value pack - 4 premium humidifiers filters for your honeywell hac-504, and HAC-504V1 humidifier filters. Compatible with honeywell humidifier filter model hcm350w & more - fits hcm350w, hcm600, hcm53520, hcm-315t, hcm530, hcm300t, hcm-551, hcm-305t, hcm-310t, hcm-540, hcm-560, hcm-535-20, hcm-300, hcm450bcst, hcm-350, hcm560, hcm-550-19, hcm-600, hcm500, hcm305t, hcm350b, hcm630, hcm-550, hcm-350b, hcm-350w, hcm315t, hcm305bcst, hcm55019, hcm300, hcm-631, hcm550, hcm310t, hcm-300t, hcm-535, hcm-450b-cst, hcm350, hcm-350b-cst, hcm-500, hcm540, hCM551, hcm-630, hcm353, hcm-530, HCM631.
Brand | Durabasics #ad |
Manufacturer | Durabasics #ad |
Height | 5.55 Inches |
Length | 9.5 Inches |
Width | 7.3 Inches |
Part Number | 43224-10536 |
Model | 43224-10536 |
More information #ad
3. BTNTVEN
#ad
HAC504AW, BTNTVEN 4 Pack of Humidifier Replacement Filters for Honeywell Filter HAC504, HCM-710, Filter A, Fits Honeywell Humidifier HCM350, HCM350B, HCM2000, HCM1000, HCM350W
#adBTNTVEN #ad - We just want you to know that your satisfaction is always our top priority. To maintain maximum filtering performance, or notice a persistent odor caused by poor water quality, or when performance starts to deteriorate. It replaces part # filter type a, hac504, hcm-560 hcm-551 | hcm-600 Series: HCM-630, HAC-504AW.Pack of 4 humidifier replacement, regular replaced to prevent excessive drying into your house. Ideal replacement - The filter material is reinforced for maximum efficiency and longer filter life. Tips - the discoloration of humidifier replacement is natural and will vary depending on water.
More information #ad
100% money back guarantee - truly worry-free purchase and friendly customer service. Increases humidity during dry seasons to create a comfortable home environment. If you notice a large amount of impurities in the filter, filter should be replaced about every 1-2 months Depending on use and local water quality, replace the filter more frequently. 4 pieces of great value - it is a great, affordable option for your home humidification. Humidifier models - for honeywell humidifier models: hcm-300 series: hcm-300t, hcm-350, hcm-305t, hcm-632, hcm-650 | hcm-700 series: hcm-710 | hcm-1000 series: hcm-1000, hcm-1010 | hcm-2000 series: hcm-2000, hcm-2001, hcm-631, hcm-645, hcm-2020, hcm-350w | hcm-500 series: hcm-530, hcm-310t, hcm-535, hcm-550, hcm-540, hcm-2000c, hcm-315t, hcm-350b, hcm-635, hcm-1000c, hcm-2050. If our product didn't meet your exceptation, feel free to cantact us.
Brand | BTNTVEN #ad |
Manufacturer | BTNTVEN #ad |
Part Number | 1 |
Model | Replacement Accessory |
More information #ad
4. Honeywell
#ad
Honeywell Replacement Wicking Filter A, 3 pack, White, 3 Count
#adHoneywell #ad - Humidifiers for babies, adults: humidifiers diffuse moisture into the air, and many find that a humidifier for the home, CHILDREN, bedroom or nursery becomes an essential part of a good night’s sleep when the air is dry or when sick.A blue pre-filter layer helps capture large particles. Honeywell humidifiers: humidity levels in your home between 40-60% can make the air feel warmer & dry skin. Humidifier replacement filter: hac504 filter a works with evaporative honeywell humidifiers in the HCM-350, HEV355, HCM-710 & HCM-315/HEV312 model series.
More information #ad
Honeywell filters: genuine honeywell replacement wicking filters use a patented design that helps inhibit 99. 99% of growth & migration of particles on the filter. Dry air can cause static electricity, sleeping, damage wooden furniture & improve your breathing comfort, nasal congestion & irritate health issues. Honeywell quality: improve your air quality & neutralize odors for a clean & healthy breathing experience year round with Honeywell replacement filters for air cleaners, purifiers & humidifiers. Captures minerals in the water in your humidifier & helps reduce white dust.
Brand | Honeywell #ad |
Manufacturer | Kaz #ad |
Part Number | HAC504PF3 |
Model | HAC504PF3 |
More information #ad
5. Funmit
#ad
Humidifier Filters Replacement Compatible with Honeywell Humidifier Filter HAC-504 HAC-504AW Filter A, Fit for Honeywell HCM-350 HCM-500 HCM-600 Cool Mist Humidifiers, 4 Pack, White
#adFunmit #ad - Compatible models- our premium humidifier filters are compatible with honeywell hac-504, hcm55019, hcm-350w, hcm-500, hcm560, hcm630, hcm-350b-cst, hcm-630, hcm300t, hcm-631, hcm-315t, hcm305bcst, hcm-535-20, hcm-350, hcm350w, hcm-551, hcm53520, hcm-550-19, hcm530, hac-504v1, hcm-300, hcm353, hcm-305t, hcm-350b, hcm-450b-cst, hcm-300t, HCM-540, HCM350B, hcm-535, hcm550, hcm450bcst, hcm-530, hcm-600, hcm350, hcm-560, hcm310t, hac-504aw, HCM631.Filter dimensions: h: 7. 0 x l 5. 3 x w: 4. 8 inches. If you have any quality problem during warranty period, please contact Funmit customer service team in time, and we will try our best to solve your problems.
More information #ad
Cost-effective goods- package includes 4 x upgraded humidifier filter a. Shop with confidence- funmit adhere to provide all customers with a simple, streamlined shopping experience of large appliance replacement parts, and prove that we have the highest quality parts and service out there. Replacement For Honeywell Filter A. The interlaced mesh structure allows water to pass through the voids to create capillarity. Thick absorbent craft- our compatible with honeywell humidifier filters adopt strong and thick absorbent paper. Excessive use of hard water will degrade filters and cause them to turn yellow prematurely. We recommend you to replace the comaptible HAC-504 replacement filter every 2-3 months for optimal performance depending upon your usage and environment.
Brand | Funmit #ad |
Manufacturer | Funmit #ad |
Part Number | HAC-504WHT-4 |
Model | HAC-504WHT-4 |
More information #ad
6. ITidyHome
#ad
HCM-710, HCM-315T,Filter A, HCM-600, ITidyHome 6-Pack Humidifier Wicking Filters Replacement Compatible for Honeywell HAC-504 and HAC-504AW,HCM-350,HCM-300T
#adITidyHome #ad - Embrace healthy lifestylethe professional environmental protection imported filter paper has a diamond-shaped grid structure. 100% satisfaction guaranteed 30 days full money back guarantee, Pls contact us first when you get some problem, Low price and high quality, we will offer you assistance asap.Filter design fit for hcm-300 series: hcm-300t, hcm-635, hcm-640bw, hcm-646, hcm-2051, hcm-350, hcm-2002, hcm2052, hcm-535, hcm-1000 series: hcm-1000, hcm-315t, hev-312, hcm-1000c, hcm-1010, hcm-305t, hcm-632tg, hcm-631, hcm-2050, hcm-632, hcm-450bcst, hcm-650, hcm-645, hcm-350w, hcm-535-20, hcm-2000 series: hcm-2000c, hcm-550-19, hcm-551, hcm-310t, hcm-700 series: hcm-710, hcm-550, hcm-560.
More information #ad
Replace the filter wick regularly to make the home feel moist and warmer. Hcm-600 series: hcm-630, hcm-500 series: hcm-530, hcm-2001, hcm-350b, hcm-540, hcm-2020, HEV-355. The newly upgraded blue grid appearance enhances product performance and further ensures the cleanliness of the product. Easy to install and replace for best performance, it is recommended to replace the filter wick every 1-2 months. Excellent performance ️please invade the water for a few minutes before use, they will fit just fine. Bring you multiple protection and family health escort. Let your family live in a fresh indoor environment.
Brand | ITidyHome #ad |
Manufacturer | ITidyHome #ad |
More information #ad
7. Future Way
#ad
Future Way Humidifier Filter A Compatible with Honeywell Humidifier HCM-350 Series, HCM710, HEV312W, 4-Pack, Filter HAC-504
#adFuture Way #ad - Dimensionslength: 7-7/8”, width:5-1/8”, Thickness: 1-1/2”. Excellent performanceefficient in absorbing water and putting out an optimal amount of moisture, making you more comfortable in the dry air.More information #ad
Perfect fit compatible with honeywell hcm350b, HCM710, HEV312W Humidifier, HCM350W, etc. Save moneya set includes 4 packs, as good as the original at almost half the price. Long-lasting made from smell-resistant wood fiber fabric in dense mesh construction, durable and sturdy to stay upright.Brand | Future Way #ad |
Manufacturer | Future Way #ad |
More information #ad
8. Lxiyu
#ad
HCM 350 and Other Cool Mist Models 4 Pack, Filter A for Models HAC-504, Lxiyu Upgraded Humidifier Wicking Filters Replacement Compatible with Honeywell HAC-504AW, HAC-504AW
#adLxiyu #ad - Compatibility: suitable for hcm-300, hcm-535-20, hcm-350b-cst, hcm-305t, hcm450bcst, hcm-535, hcm-600, hcm-560, hcm-300t, hcm-710, hcm-1000, hcm-350, hcm-640bw, hcm-551, hcm-630, hcm-550, hcm-700, hcm-631, hcm-632tg, hcm-1010, hcm-632, hcm-645, hcm- 530, hcm-1000c, hcm-315t, HCM-635, hcm-650, hcm-646, hcm-310t, hcm-550-19, hcm-540, hcm-500, hcm-350b, hcm-350w, hcm-2000, HCM- 2000C.Bring you multiple protection and family health escort. Let your family live in a fresh indoor environment. If you have any questions, please feel free to contact us. Friendly service: each product is individually packaged and ensure product quality.
More information #ad
Easy to install and replace: for best performance, eliminating the trouble of finding replacement filters, it is recommended to replace the filter every 1-2 months. 4 filters can fully meet your replacement needs, and allowing you to get a perfect and comfortable experience at the right price. High-quality materials: the professional environmental protection imported blue filter paper has a diamond-shaped grid structure. Please immerse the humidifier filter in water before use to ensure uninterrupted water output. Comfortable use: the blue pre-filter layer can completely filter, helping to maximize the service life of the filter. We promise to provide the highest quality products and promise to provide 100% quality customer service.
Brand | Lxiyu #ad |
Manufacturer | GOGOGlobal #ad |
Weight | 0.5 Pounds |
More information #ad
9. Honeywell
#ad
White, Large, PUR Honeywell HEV685W Top Fill Console Humidifier
#adHoneywell #ad - A brand you can trust – honeywell has been keeping families comfortable in their homes for over hundred years with our full line of humidifiers, filters and more. Easy to use – designed for high moisture output, this humidifier has two 1.5 gallon top fill tanks. Use them when the air is dry, in season, when sick or even just to maintain optimal indoor humidity levels. Humidifiers for bedroom and more – a cool moisture humidifier fits perfectly into any room, making it a great choice for your whole family.
More information #ad
Indoor humidity levels between 40-60% can help relieve cough and congestion and more. A humidifier or vaporizer can provide temporary relief by adding necessary moisture to the air. It also has a humidifier filter treated with Protec which helps keeps off the growth and migration of water bodies and on the filter. *. Cool moisture humidifier – honeywell easy-to-care cool moisture console humidifier HEV685W produces cool, invisible moisture to ensure proper humidity levels. Cough and congestion relief – humidifiers for home can be helpful during cold and flu season, when it’s difficult to sleep with cough and congestion.
Brand | Honeywell #ad |
Manufacturer | Kaz #ad |
Height | 13.7 Inches |
Length | 21.3 Inches |
Weight | 0 Pounds |
Width | 13.6 Inches |
Part Number | HEV685W |
Model | HEV685W |
Warranty | 3 year manufacture limited. |
More information #ad
10. ITidyHome
#ad
ITidyHome 4-Pack Replacement Humidifier Filters Wicking Compatible with Honeywell HAC-504 and HAC-504AW,HCM-350,HCM-300T,HCM-600,HCM-710,HCM-315T,Filter A
#adITidyHome #ad - Excellent performance ️please invade the water for a few minutes before use, they will fit just fine. Bring you multiple protection and family health escort. Let your family live in a fresh indoor environment. Design fit for hcm-300 series: hcm-300t, hcm-646, hcm-310t, hcm-550, hcm-350b, hcm-2002, hcm-350w, hcm-650, hcm-632, hev-312, hcm-535, hcm-2020, hcm-551, hcm-550-19, hcm-500 series: hcm-530, hcm-315t, hcm-1010, hcm-2001, hcm-305t, hcm-450bcst, hcm-635, hcm-2050, hcm-535-20, hcm-645, hcm-350, hcm-1000c, hcm-640bw, hcm-632tg, hcm2052, hcm-2000 series: hcm-2000c, hcm-2051, hcm-1000 series: hcm-1000, hcm-631, hcm-560.More information #ad
Embrace healthy lifestylethe professional environmental protection imported filter paper has a diamond-shaped grid structure. Easy to install and replace for best performance, it is recommended to replace the filter wick every 1-2 months. 100% satisfaction guaranteed 30 days full money back guarantee, Pls contact us first when you get some problem, Low price and high quality, we will offer you assistance asap. Hcm-600 series: hcm-630, hcm-700 series: hcm-710, HCM-540, HEV-355. Replace the filter wick regularly to make the home feel moist and warmer. The newly upgraded blue grid appearance enhances product performance and further ensures the cleanliness of the product.
Brand | ITidyHome #ad |
Manufacturer | ITidyHome #ad |
More information #ad