--- title: "protec humidifier filter — Niche Verdict: Skip it (30/100) | Amazon United States - Flapen" canonical_url: "https://flapen.com/amazon/research/us/appliances/protec-humidifier-filter" last_updated: "2026-07-09T22:48:02.214Z" locale: en meta: description: "a small market ($43K/yr) — protec humidifier filter doesn't clear our bar today." "og:description": "a small market ($43K/yr) — protec humidifier filter doesn't clear our bar today." "og:title": "protec humidifier filter — Niche Verdict: Skip it (30/100) | Amazon United States - Flapen" --- Back to Flapen home # **protec humidifier filter** **Skip it****30/100 ** a small market ($43K/yr) — protec humidifier filter doesn't clear our bar today. **Market/yr** **$43K** **Growth (1y)** **+69.6%** **Products** **10** **Brands** **5** was 6 a year ago **Sellers** **26** **Price range** **$5.99–$32.73** **Returns** **0.6%** **Rating** **4.7★** **Skip it** Scored 30/100 across market size, growth, competition, quality gap, and returns. Market sizeGrowthCompetitionQuality gapReturns Market size **2** ×0.30 Growth **56** ×0.30 Competition **2** ×0.20 Quality gap **23** ×0.10 Returns **95** ×0.10 ## **Demand** Weekly Amazon search volume, last 104 weeks — +69.6% year over year. 608304Prime Day '24Spike '24Holiday '24Spike '25Black Friday '25Holiday '25Spike '26Jul '24Nov '24Mar '25Jun '25Oct '25Feb '26 ## **Seasonality** Monthly demand index across the year — 1.00 is average. JFMAMJJASOND Peak months: Jan, Feb, Mar · busiest ÷ quietest = 7.1× ## **Competition** - Alocs33% - Protec27% - Ximoon24% - UpStart Components14% - Funmit2% - Other0% The top 5 products capture 89% of clicks — a locked-up shelf that new listings rarely crack. 5 brands and 26 sellers compete here. **Brands** **5 **▼falling was 6 a year ago **Sellers** **26** **Top 5 brand share** **100%** #ProductBrandPriceRatingReviewsClick shareTrend 1 ![WF2 Humidifier Filter for Kaz Vicks - V3100 V3500 V3700 V3800 V3900 3020 Series Protec PWF2 VEV400 Cool Mist Vaporizer Humidifiers (Pack of 4) White](https://m.media-amazon.com/images/I/41JOJiraxxL.jpg) [**WF2 Humidifier Filter for Kaz Vicks - V3100 V3500 V3700 V3800 V3900 3020 Series Protec PWF2 VEV400 Cool Mist Vaporizer Humidifiers (Pack of 4) White**](https://www.amazon.com/dp/B0B846286W) Alocs$19.094.7★36333%▼falling 2 ![Protec Extended Life Humidifier Replacement Filter 1 Count Designed for Use with Select Vicks Cool Mist Humidifiers and Other Honeywell Models](https://m.media-amazon.com/images/I/41SdKmz75NL.jpg) [**Protec Extended Life Humidifier Replacement Filter 1 Count Designed for Use with Select Vicks Cool Mist Humidifiers and Other Honeywell Models**](https://www.amazon.com/dp/B003UV8OC2) Protec$11.584.5★1,20927%▲rising 3 ![WF2 Humidifier Filter Replacement for Vicks & Kaz Starry Night Cool Mist Humidifier V3500N V3700 V3100 V3900 Fit for Protec PWF2 VEV400 Humidifier Wicking Filters -4 Pack](https://m.media-amazon.com/images/I/41HS3sUnMVL.jpg) [**WF2 Humidifier Filter Replacement for Vicks & Kaz Starry Night Cool Mist Humidifier V3500N V3700 V3100 V3900 Fit for Protec PWF2 VEV400 Humidifier Wicking Filters -4 Pack**](https://www.amazon.com/dp/B07ZLP1ZFG) Ximoon$20.064.7★2,09317%▲rising 4 ![WF2 Humidifier Filter Replacement for Vicks & Kaz Starry Night Cool Mist Humidifier V3500N V3700 V3100 V3900 Fit for Protec PWF2 VEV400 Humidifier Wicking Filters -2 Pack](https://m.media-amazon.com/images/I/41lNJge3XWL.jpg) [**WF2 Humidifier Filter Replacement for Vicks & Kaz Starry Night Cool Mist Humidifier V3500N V3700 V3100 V3900 Fit for Protec PWF2 VEV400 Humidifier Wicking Filters -2 Pack**](https://www.amazon.com/dp/B06ZZLMSWR) Ximoon$15.144.7★2,0937%▼falling 5 ![5-Pack WF2 Filter Fits Protec PWF2 Replacement Wicking Filter For Vicks Humidifier VEV400 - Compatible with Vick Humidifier Filters Model PWF2](https://m.media-amazon.com/images/I/51f8RvNRQSL.jpg) [**5-Pack WF2 Filter Fits Protec PWF2 Replacement Wicking Filter For Vicks Humidifier VEV400 - Compatible with Vick Humidifier Filters Model PWF2**](https://www.amazon.com/dp/B0G7LMNZ55) UpStart Components$21.984.3★105%▲rising 6 ![2-Pack WF2 Filter Fits Protec PWF2 Replacement Wicking Filter For Vicks Humidifier VEV400 - Compatible with Vick Humidifier Filters Model PWF2](https://m.media-amazon.com/images/I/411-KXtWFCL.jpg) [**2-Pack WF2 Filter Fits Protec PWF2 Replacement Wicking Filter For Vicks Humidifier VEV400 - Compatible with Vick Humidifier Filters Model PWF2**](https://www.amazon.com/dp/B0G7M9B6S9) UpStart Components$10.995.0★33%▲rising 7 ![8-Pack WF2 Filter Fits Protec PWF2 Replacement Wicking Filter For Vicks Humidifier VEV400 - Compatible with Vick Humidifier Filters Model PWF2](https://m.media-amazon.com/images/I/51M+EsxTo3L.jpg) [**8-Pack WF2 Filter Fits Protec PWF2 Replacement Wicking Filter For Vicks Humidifier VEV400 - Compatible with Vick Humidifier Filters Model PWF2**](https://www.amazon.com/dp/B0G7MFZHB7) UpStart Components$32.735.0★22%▲rising 8 ![6-Pack WF2 Filter Fits Protec PWF2 Replacement Wicking Filter For Vicks Humidifier VEV400 - Compatible with Vick Humidifier Filters Model PWF2](https://m.media-amazon.com/images/I/51Uf+gmI7eL.jpg) [**6-Pack WF2 Filter Fits Protec PWF2 Replacement Wicking Filter For Vicks Humidifier VEV400 - Compatible with Vick Humidifier Filters Model PWF2**](https://www.amazon.com/dp/B0G7MDM6DJ) UpStart Components$24.830.0★02%▲rising 9 ![3-Pack WF2 Filter Fits Protec PWF2 Replacement Wicking Filter For Vicks Humidifier VEV400 - Compatible with Vick Humidifier Filters Model PWF2](https://m.media-amazon.com/images/I/41PZQ0366wL.jpg) [**3-Pack WF2 Filter Fits Protec PWF2 Replacement Wicking Filter For Vicks Humidifier VEV400 - Compatible with Vick Humidifier Filters Model PWF2**](https://www.amazon.com/dp/B0G7M19SMV) UpStart Components$14.974.7★42%▲rising 10 ![Funmit WF2 Humidifier Filter Replacement for Vicks Kaz Humidifier Starry Night Cool Mist V3500N V3700 V3100 V3900 Sunbeam 1118 1119 Honeywell HCM-300T HCM-350 WA-8D Enviracaire ECM-500 4 Pack](https://m.media-amazon.com/images/I/41xGXJ5DClL.jpg) [**Funmit WF2 Humidifier Filter Replacement for Vicks Kaz Humidifier Starry Night Cool Mist V3500N V3700 V3100 V3900 Sunbeam 1118 1119 Honeywell HCM-300T HCM-350 WA-8D Enviracaire ECM-500 4 Pack**](https://www.amazon.com/dp/B0B2NHCGSK) Funmit$19.744.7★1,0592%—flat ## **Product shelf** All 10 tracked products in this niche. Top sellersNewestTrending [![WF2 Humidifier Filter for Kaz Vicks - V3100 V3500 V3700 V3800 V3900 3020 Series Protec PWF2 VEV400 Cool Mist Vaporizer Humidifiers (Pack of 4) White](https://m.media-amazon.com/images/I/41JOJiraxxL.jpg)**WF2 Humidifier Filter for Kaz Vicks - V3100 V3500 V3700 V3800 V3900 3020 Series Protec PWF2 VEV400 Cool Mist Vaporizer Humidifiers (Pack of 4) White** Alocs**$19.09**4.7★363 reviews](https://www.amazon.com/dp/B0B846286W) [![Protec Extended Life Humidifier Replacement Filter 1 Count Designed for Use with Select Vicks Cool Mist Humidifiers and Other Honeywell Models](https://m.media-amazon.com/images/I/41SdKmz75NL.jpg)**Protec Extended Life Humidifier Replacement Filter 1 Count Designed for Use with Select Vicks Cool Mist Humidifiers and Other Honeywell Models** Protec**$11.58**4.5★1,209 reviews](https://www.amazon.com/dp/B003UV8OC2) [![WF2 Humidifier Filter Replacement for Vicks & Kaz Starry Night Cool Mist Humidifier V3500N V3700 V3100 V3900 Fit for Protec PWF2 VEV400 Humidifier Wicking Filters -4 Pack](https://m.media-amazon.com/images/I/41HS3sUnMVL.jpg)**WF2 Humidifier Filter Replacement for Vicks & Kaz Starry Night Cool Mist Humidifier V3500N V3700 V3100 V3900 Fit for Protec PWF2 VEV400 Humidifier Wicking Filters -4 Pack** Ximoon**$20.06**4.7★2,093 reviews](https://www.amazon.com/dp/B07ZLP1ZFG) [![WF2 Humidifier Filter Replacement for Vicks & Kaz Starry Night Cool Mist Humidifier V3500N V3700 V3100 V3900 Fit for Protec PWF2 VEV400 Humidifier Wicking Filters -2 Pack](https://m.media-amazon.com/images/I/41lNJge3XWL.jpg)**WF2 Humidifier Filter Replacement for Vicks & Kaz Starry Night Cool Mist Humidifier V3500N V3700 V3100 V3900 Fit for Protec PWF2 VEV400 Humidifier Wicking Filters -2 Pack** Ximoon**$15.14**4.7★2,093 reviews](https://www.amazon.com/dp/B06ZZLMSWR) [![5-Pack WF2 Filter Fits Protec PWF2 Replacement Wicking Filter For Vicks Humidifier VEV400 - Compatible with Vick Humidifier Filters Model PWF2](https://m.media-amazon.com/images/I/51f8RvNRQSL.jpg)**5-Pack WF2 Filter Fits Protec PWF2 Replacement Wicking Filter For Vicks Humidifier VEV400 - Compatible with Vick Humidifier Filters Model PWF2** UpStart Components**$21.98**4.3★10 reviews](https://www.amazon.com/dp/B0G7LMNZ55) [![2-Pack WF2 Filter Fits Protec PWF2 Replacement Wicking Filter For Vicks Humidifier VEV400 - Compatible with Vick Humidifier Filters Model PWF2](https://m.media-amazon.com/images/I/411-KXtWFCL.jpg)**2-Pack WF2 Filter Fits Protec PWF2 Replacement Wicking Filter For Vicks Humidifier VEV400 - Compatible with Vick Humidifier Filters Model PWF2** UpStart Components**$10.99**5.0★3 reviews](https://www.amazon.com/dp/B0G7M9B6S9) [![8-Pack WF2 Filter Fits Protec PWF2 Replacement Wicking Filter For Vicks Humidifier VEV400 - Compatible with Vick Humidifier Filters Model PWF2](https://m.media-amazon.com/images/I/51M+EsxTo3L.jpg)**8-Pack WF2 Filter Fits Protec PWF2 Replacement Wicking Filter For Vicks Humidifier VEV400 - Compatible with Vick Humidifier Filters Model PWF2** UpStart Components**$32.73**5.0★2 reviews](https://www.amazon.com/dp/B0G7MFZHB7) [![6-Pack WF2 Filter Fits Protec PWF2 Replacement Wicking Filter For Vicks Humidifier VEV400 - Compatible with Vick Humidifier Filters Model PWF2](https://m.media-amazon.com/images/I/51Uf+gmI7eL.jpg)**6-Pack WF2 Filter Fits Protec PWF2 Replacement Wicking Filter For Vicks Humidifier VEV400 - Compatible with Vick Humidifier Filters Model PWF2** UpStart Components**$24.83**0.0★0 reviews](https://www.amazon.com/dp/B0G7MDM6DJ) ## **Reviews** What buyers praise and complain about, mined from review topics. ### **What buyers love ** **Advertised Vs Actual Product**21% *“As advertised”* **Size-Overall**20% *“Amazing fit”* **Filtration**14% *“Filter”* **Humidification**14% *“They fit perfectly in our humidifier”* **Value For Money**13% *“Great deal”* **Quality-Overall**8% *“No complaints”* **Ease Of Use**3% *“Easy use”* **Color**3% *“nice color”* **Breathability**1% *“Good air flow”* **Compatibility-Overall**1% *“Worked perfectly with my humidifier”* ### **What buyers complain about ** **Advertised Vs Actual Product**25% *“Wrong advertising information”* **Functionality-Overall**25% *“Does not work does not wick complete waste of $”* **Filtration**13% *“Perfect replacement, wife bought wrong humidifier. wrong being one that needs a filter to begin with”* **Size-Overall**13% *“Did not fit”* **Humidification**13% *“The filter did not fit my humidifier”* #### **Top return reasons**- Size-Overall47% - Filtration18% - Compatibility-Overall11% - Humidification10% - Advertised Vs Actual Product5% - Functionality-Overall5% - Value For Money3% - Smell2% - Color1% - Absorbency1%