---
title: "Walgreens Humidifier Filter Replacement — $16K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/appliances/walgreens-humidifier-filter-replacement"
last_updated: "2026-08-09T06:57:52.414Z"
locale: en
meta:
description: "Niche score 36/100 · $16K/yr market · 9K searches/yr · $17.67 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 36/100 · $16K/yr market · 9K searches/yr · $17.67 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Walgreens Humidifier Filter Replacement — $16K/yr Amazon US Niche (2026) - Flapen"
---
# **walgreens humidifier filter replacement**
**Skip it**
Soft demand (-53.9% this quarter) — this niche doesn't clear our bar today.
Market size 4Growth 0Conversion 86Competition 8Returns 95Price range 75Avg price 82Brand share 15Review moat 89Quality gap 19
**Returns**
**Incredible****0.9%**
return rate — above 5% kills the launch gate
**Review moat**
**Great****227.86**
avg incumbent reviews — the moat a new listing must climb
**Conversion**
**Great****9.8%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Great****$17.67**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$11.68–$24.88**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Brand share**
**Bad****94%**
top-5 brand share — brand-locked demand
**Competition**
**Bad****91%**
top-5 click share — a locked-up shelf
**Market size**
**Bad****$16K**
$16K/yr · 9K searches
**Growth**
**Bad****-53.9%**
90-day search growth — must beat 0% to launch
**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500")
According to Flapen's Amazon United States niche tracking, walgreens humidifier filter replacement is a $16K/yr Amazon United States market (9K searches/yr). The top 5 brands hold 94% of demand. Verdict: Skip it — 36/100.
Data updated Jul 6, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **walgreens humidifier filter replacement market data**
- **Units sold / yr**
- **1K–1K**
- avg 100–250/product
- **Revenue / yr**
- **$18K–$22K**
- units × avg price
- **Conversion rate**
- **9.8%**
- **Avg BSR**
- **#147**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **100%**
- **Out of stock**
- **19.7%**
- **Avg brand age**
- **56 months**
- **Avg seller age**
- **170 days**
## **Competition & brand share**
The top 5 products capture 91% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**6 **—flat
**Sellers**
**8**
**Top-5 brand share**
**94%**
Top 20: 100%
**Top-5 click share**
**91%**
Top 20: 100%
**Open market**
**0%**
- SUNRRA45% - Ztzfacai15% - Alocs14% - GAQUECY11% - HQRP9% - Fre.Filtor6%
## **Demand**
Weekly Amazon search volume, last 29 weeks — -53.9% search growth over the last 90 days.
300200Spike '26Jan '26Feb '26Mar '26Apr '26May '26Jun '26Jul '26
[**Open Trend **](https://flapen.com/research/us/appliances/walgreens-humidifier-filter-replacement/trend)
## **Top walgreens humidifier filter replacement products on Amazon**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%15%$2K30%$5K45%$7K60%$9K1101001K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 7 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**SUNRRA HC-888 Humidifier Filters for Walgreens Humidifier LHoneywell HC 888 Series HCM 890 Series HEV-320 Series Replace for Walgreens Humidifier Filters Long Last 4-Pack**SUNRRA**$23.16**4.7★185 rev](https://www.amazon.com/dp/B0CLJBKGBH) [2**Ztzfacai HC-888 HC-888N Humidifier Wicking Filter C Replacement Compatible with Honeywell HCM-890 HEV-320 Series Duracraft DCM-200 DH-890 Walgreens 890-WGN Cool Mist Humidifier Filters**Ztzfacai**$14.83**4.8★4 rev](https://www.amazon.com/dp/B0GC2HFHHH) [3**HC888 Humidifier Wicking Filter C Replacement for Honeywell HCM-890 HEV-320 Walgreens HC-888 HC-888N HCM-890 HEV-320 Series & Duracraft D88 DCM-200 DH-890 Cool Mist Humidifier Filters**Alocs**$22.38**4.6★122 rev](https://www.amazon.com/dp/B0B84L9L27) [4**HC-888 Humidifier Filters Replacement for Honeywell / Walgreens Humidifier**GAQUECY**$13.51**4.9★39 rev](https://www.amazon.com/dp/B0FLPTQ7P1) [5**Fre.Filtor Replacement Humidifier Filter Compatible with Honeywell HC-888N/HC-888 Filter C HCM-890 HEV-320 Series & Duracraft DCM-200/DH-890 High Absorbency Wicking Filter Pack of 2**Fre.Filtor**$13.26**4.6★363 rev](https://www.amazon.com/dp/B07M5GQJ3W)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Ztzfacai HC-888 HC-888N Humidifier Wicking Filter C Replacement Compatible with Honeywell HCM-890 HEV-320 Series Duracraft DCM-200 DH-890 Walgreens 890-WGN Cool Mist Humidifier Filters**Ztzfacai**$14.83**4 rev6mo ago](https://www.amazon.com/dp/B0GC2HFHHH) [**HC-888 Humidifier Filters Replacement for Honeywell / Walgreens Humidifier**GAQUECY**$13.51**39 rev11mo ago](https://www.amazon.com/dp/B0FLPTQ7P1) [**HC888 Humidifier Wicking Filter C Replacement for Honeywell HCM-890 HEV-320 Walgreens HC-888 HC-888N HCM-890 HEV-320 Series & Duracraft D88 DCM-200 DH-890 Cool Mist Humidifier Filters**Alocs**$22.38**122 rev3y ago](https://www.amazon.com/dp/B0B84L9L27) [**SUNRRA HC-888 Humidifier Filters for Walgreens Humidifier LHoneywell HC 888 Series HCM 890 Series HEV-320 Series Replace for Walgreens Humidifier Filters Long Last 4-Pack**SUNRRA**$23.16**185 rev4y ago](https://www.amazon.com/dp/B0CLJBKGBH) [**Fre.Filtor Replacement Humidifier Filter Compatible with Honeywell HC-888N/HC-888 Filter C HCM-890 HEV-320 Series & Duracraft DCM-200/DH-890 High Absorbency Wicking Filter Pack of 2**Fre.Filtor**$13.26**363 rev6y ago](https://www.amazon.com/dp/B07M5GQJ3W)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Ztzfacai HC-888 HC-888N Humidifier Wicking Filter C Replacement Compatible with Honeywell HCM-890 HEV-320 Series Duracraft DCM-200 DH-890 Walgreens 890-WGN Cool Mist Humidifier Filters**Ztzfacai**$14.83**4.8★**▲ 474%**](https://www.amazon.com/dp/B0GC2HFHHH) [**HC-888 Humidifier Filters Replacement for Honeywell / Walgreens Humidifier**GAQUECY**$13.51**4.9★**▲ 421%**](https://www.amazon.com/dp/B0FLPTQ7P1) [**HQRP 3-pack Filter compatible with Walgreens 890-WGN 890WGN LEV320 HF212-UL Cool Mist Humidifiers W889-WGN Replacement**HQRP**$24.88**4.6★**— 3%**](https://www.amazon.com/dp/B077BQVT86) [**Fre.Filtor Replacement Humidifier Filter Compatible with Honeywell HC-888N/HC-888 Filter C HCM-890 HEV-320 Series & Duracraft DCM-200/DH-890 High Absorbency Wicking Filter Pack of 2**Fre.Filtor**$13.26**4.6★**▼ 18%**](https://www.amazon.com/dp/B07M5GQJ3W) [**HQRP Wick Filter compatible with Walgreens 890-WGN 890WGN LEV320 HF212-UL Cool Mist Humidifiers W889-WGN Replacement**HQRP**$11.68**4.6★**▼ 19%**](https://www.amazon.com/dp/B077BCMYYP)
**~~View all trending →~~**
## **What buyers say about walgreens humidifier filter replacement**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**34%
*“Great Fit”*
**Humidification**14%
*“Good for Honeywell humidifier”*
**Advertised Vs Actual Product**14%
*“Product works well, as advertised”*
**Quality-Overall**7%
*“Good product”*
**Value For Money**6%
*“This is also way cheaper than the Walgreen-brand”*
**Filtration**6%
*“Better than the OEM Filter”*
**Assembly/Installation**4%
*“EASY TO INSTALL”*
**Efficiency**4%
*“work fine”*
**Durability**3%
*“Durability with Tap Water”*
**Ease Of Use**2%
*“Easy to use”*
### **What buyers complain about **
**Spray/Flow**25%
*“as they seem to restrict flow”*
**Moist/Dry**13%
*“Filter dries out”*
**Filtration**13%
*“Filter dries out”*
**Functionality-Overall**6%
*“I think it isn't wicking as well as it could be”*
**Water Resistance**6%
*“it takes longer than usual to deplete the water”*
**Smell**4%
*“They dont have any sort of smell to them like some”*
**Ease Of Cleaning**4%
*“I really dont try to clean them”*
### **Top return reasons **
**Size-Overall**73%
**Filtration**17%
**Maintenance And Repair**6%
**Humidification**3%
**Compatibility-Overall**1%
## **Common questions**
- **Is walgreens humidifier filter replacement profitable to sell on Amazon United States?**
- The niche generates $16K/yr across 7 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is -53.9%. Flapen's verdict: Skip it (36/100).
- **How competitive is the walgreens humidifier filter replacement niche?**
- 6 brands and 8 sellers compete. The top 5 products take 91% of clicks and top 5 brands hold 94% of demand.
- **What do buyers complain about in walgreens humidifier filter replacement?**
- Top complaints mined from reviews: Spray/Flow, Moist/Dry, Filtration. The return rate is 0.9%.
- **What does it cost to enter the walgreens humidifier filter replacement niche?**
- Listings span $11.68–$24.88; the average listing price is $17.67 (sweet spot $15–$100). The average incumbent carries 228 reviews — the moat a new listing must climb.
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