humidifier filters
Worth a lookShows low returns (1.0%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Returns
Incredible1.0%return rate — above 6% kills the launch gate
Brand share
Great41%top-5 brand share — no brand owns this niche
Avg price
Great$20.68avg listing price — sweet spot $15–$100
Competition
Great30%top-5 click share — an open shelf
Conversion
Great8.7%search→purchase rate — share of searches ending in a sale
Price range
Great$5.99–$47.21cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Good$760K$760K/yr · 423K searches
Review moat
Okay2,674.11avg incumbent reviews — the moat a new listing must climb
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
Growth
Bad-69.3%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, humidifier filters is a $760K/yr Amazon United States market (423K searches/yr). The top 5 brands hold 41% of demand. Demand peaks in Jan–Feb–Nov–Dec. Verdict: Worth a look — 63/100.
Data updated Jul 6, 2026 · scored weekly · How we score niches
Market data
- Units sold / yr
- 40K–50K
- avg 500–750/product
- Revenue / yr
- $827K–$1.0M
- units × avg price
- Launch success
- 0%
- 0 of 5 new (360d)
- Conversion rate
- 8.7%
- Avg BSR
- #88
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 80%
- Out of stock
- 1.5%
- Avg brand age
- 51 months
- Avg seller age
- 149 days
Competition
Clicks spread well past the top 5 (30% combined) — an open shelf where new products get seen.Brands
41 rising
Sellers
114
Top-5 brand share
41%
Top 20: 81%
Top-5 click share
30%
Top 20: 66%
Open market
55%
- Vornado14%
- Aprilaire11%
- Beckacher6%
- Protec5%
- Levoit5%
- kakofaci5%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -69.3% search growth over the last 90 days.Peak months: Jan, Feb, Nov, Dec · busiest ÷ quietest = 11.5×
Product shelf
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 65 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Vornado MD1-0034 Replacement Humidifier Wick (2-Pack) 1-Inch Thick Replace at Recommended Intervals for Best Performance Disposable Genuine Fit for Select Evaporative Humidifiers White
Vornado$12.924.6★4,397 rev
AprilAire 35 Water Panel Humidifier Filter Replacement for AprilAire Whole-House Humidifier Models 300 350 360 560 560A 568 600 600A 600M 700 700A 700M 760 760A 768 (Pack of 2)
Aprilaire$26.174.8★27,871 rev
Beckacher 30-Pack Top Fill Humidifier Replacement Filters for LEVOIT Classic160 Dual150 Dual200S Classic300(S) LV600S OasisMist450S Superior 6000S Humidifiers
Beckacher$8.774.7★1,488 rev
LEVOIT 10-Pack Top Fill Humidifier Replacement Filters Capture Particles to Improve Humidification Efficiency for Classic160 Dual150 Dual200S Classic300(S) LV600S OasisMist450S Superior6000S
Levoit$15.004.7★6,510 rev
kakofaci 6 Pack WF813 Humidifier Filters Replacement Compatible with Equate EQWF813 PCWF813 Relion RCM832 RCM-832N Protec RWF813 EQ-2119-UL PCCM-832N Cool Mist Humidifiers Wick Filter
kakofaci$19.074.6★379 rev
Newest
by launch date
QalryXen WF813 Humidifier Filter Replacement High-Density Wick Filters Compatible with Equate EQWF813 Relion RCM832/RCM-832N ProCare PCWF813 EQ-2119-UL PCCM-832N Cool Mist Humidifiers (6-Pack)
QalryXen$14.6731 rev
Ulreon 4 Pack MD1-0034 Humidifier Wick Replacement Filter Compatible with Vornado EV100 EV200 EVDC300 EVDC500 Evap2 Evaporative Humidifiers 1 inch Thick
Ulreon$19.7738 rev
QalryXen WF813 Humidifier Filter Replacement 3-Pack
QalryXen$10.0531 rev
IGNISFLARE 4-Pack MD1-0034 Replacement Wicks Filters Compatible with Vornado Evaporative Humidifier Model Evap40 Evap2 EV100 EV200 EVDC300 EVDC500
IGNISFLARE$19.9668 rev
IGNISFLARE 4-Pack MD1-0002 MD1-0001 Replacement Wick/Filters Compatible with Vornado MD10002 MD10001 EVAP1 EVAP3 Model 30/40/50 HU1-0021 Holmes HM250/HM405/HM406/HM725
IGNISFLARE$20.7668 rev
Trending
90-day click momentumQalryXen WF813 Humidifier Filter Replacement High-Density Wick Filters Compatible with Equate EQWF813 Relion RCM832/RCM-832N ProCare PCWF813 EQ-2119-UL PCCM-832N Cool Mist Humidifiers (6-Pack)
QalryXen$14.674.8★
Carmerny MDH-0103JB Humidifier Wicking Filter Replacement Compatible with Mainstays MDH-0103JB Humidifier Wick Filters 4 Pack
Carmerny$24.214.6★
Gazeer Humidifier Replacement Filter Compatible with Canopy Bedside and Nursery Humidifier Made with Wood Pulp Paper Filter 6-Pack
Gazeer$27.454.5★
Canopy Original Bedside Humidifier Filters Replacement Filters - Compatible with Canopy Bedside Humidifiers Made with Wood Pulp Paper Filter Replace Every Six Weeks - Pack of 3
Canopy$47.214.7★
Hichoryer MD1-0022 Replacement Filter Compatible with Vornado Air Purifier Models AC300 AC350 AC500 AC550 PCO200 PCO300 and PCO500 2 HEPA Filter MD1-002 + 4 Pre-Filter MD1-0023
Hichoryer$31.484.7★
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Fits as advertised”
“much cheaper”
“the filters work very well”
“Excellent product”
“As advertised”
“Humidifier works”
“Functional”
“Easy to use”
“EASY TO INSTALL”
“It keeps it clean”
What buyers complain about
“not good filters at all”
“Way too small”
“Product doesnt last more than a week”
“Did not work for my humidifier”
“Poor Quality”
“WASTE OF MONEY”
“Does not work as advertised”
“Does not perform well”
“Now my whole room has this nasty chemical smell”
“find them dry”
Top return reasons
Common questions
- Is humidifier filters profitable to sell on Amazon United States?
- The niche generates $760K/yr across 65 tracked products. 0 of 5 products launched in the last 360 days are still selling. 90-day search growth is -69.3%. Flapen's verdict: Worth a look (63/100).
- How competitive is the humidifier filters niche?
- 41 brands and 114 sellers compete. The top 5 products take 30% of clicks and top 5 brands hold 41% of demand.
- What do buyers complain about in humidifier filters?
- Top complaints mined from reviews: Filtration, Size-Overall, Durability. The return rate is 1.0%.
- When does demand for humidifier filters peak?
- Demand peaks in Jan–Feb–Nov–Dec; the busiest month runs 11.5× the quietest.
- What does it cost to enter the humidifier filters niche?
- Listings span $5.99–$47.21; the average listing price is $20.68 (sweet spot $15–$100). The average incumbent carries 2,674 reviews — the moat a new listing must climb.
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