washable air filter
Skip itWeak search conversion (1.5%) — this niche doesn't clear our bar today.
Avg price
Incredible$31.59avg listing price — sweet spot $15–$100
Price range
Great$10.07–$55.47cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Good2.6%return rate — above 5% kills the launch gate
Growth
Good+28.5%90-day search growth — must beat 0% to launch
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Competition
Okay58%top-5 click share — leaders hold, buyers still browse
Brand share
Okay78%top-5 brand share — brands hold most of the demand
Review moat
Okay1,998.24avg incumbent reviews — the moat a new listing must climb
Market size
Okay$104K$104K/yr · 218K searches
Conversion
Bad1.5%search→purchase rate — share of searches ending in a sale
According to Flapen's Amazon United States niche tracking, washable air filter is a $104K/yr Amazon United States market (218K searches/yr). The top 5 brands hold 78% of demand. Demand peaks in Jul–Oct. Verdict: Skip it — 48/100.
Data updated Jul 27, 2026 · scored weekly · How we score niches
washable air filter market data
- Units sold / yr
- 3K–4K
- avg 100–250/product
- Revenue / yr
- $95K–$126K
- units × avg price
- Conversion rate
- 1.5%
- Avg BSR
- #157
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 100%
- Out of stock
- 1.9%
- Avg brand age
- 47 months
- Avg seller age
- 163 days
Competition & brand share
The top 5 products take 58% of clicks — established leaders, but buyers still shop beyond them.Brands
12 rising
Sellers
14
Top-5 brand share
78%
Top 20: 100%
Top-5 click share
58%
Top 20: 94%
Open market
17%
- REAIR36%
- CoreCarbon15%
- Trophy Air11%
- UBeesize9%
- Allisfresh7%
- Demiwise5%
- Open — no brand owns it (6 brands, 17%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +28.5% search growth over the last 90 days.Peak months: Jul, Oct · busiest ÷ quietest = 2.9×
Top washable air filter search terms
- reusable air filter46K/yr
- washable air filter39K/yr
- electrostatic air filter24K/yr
- reusable ac filter12K/yr
- washable ac filter10K/yr
- electrostatic filters6K/yr
- reusable furnace filter11K/yr
- washable furnace filter13K/yr
- reusable air filters7K/yr
- reusable hvac filter6K/yr
Top washable air filter 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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Reair 20x25x1 Air filter Washable and Reusable Air Filter 20x25x1 for AC HVAC Furnace MREV 8 Air Filters Machine Washable & Dryer Friendly AC Furnace Air Filter
REAIR$35.034.5★1,886 rev

CoreCarbon 20x30x1 Cut To Fit Furnace & Air Conditioner Washable Reusable High Air Flow Polyester Fiber Filter Media Made in USA (20 x 30 x .75 actual)
CoreCarbon$23.404.5★1,047 rev

Reair 20x20x1 Air filter Washable and Reusable Air Filter 20x20x1 for AC HVAC Furnace MERV 8 Air Filters Machine Washable & Dryer Friendly AC Furnace Air Filter
REAIR$33.734.5★1,886 rev

20x30x1 Air Filter Cut To Compatible with Furnace & Air Conditioner High Air Flow Polyester Fiber Filter Media 2 Pack (20 x 30 x 0.7 actual)
Allisfresh$24.154.5★128 rev

Trophy Air Washable & Reusable Electrostatic HVAC AC/Furnace Air Filter Lasts a Lifetime 6 Stage Permanent Air Filter Healthier Home or Office Made in The USA - Increases Airflow (14x14x1)
Trophy Air$25.174.5★7,038 rev
Newest
by launch date
UBeesize 20x20x1 Reusable Air Filter - Washable MERV 8 Permanent Electrostatic - Lasts a Lifetime - Enjoy Fresher Air in Home and Office HVAC AC Furnace Systems (Actual Size: 19.75x19.75x0.8 Inch)
UBeesize$40.882,775 rev

20x30x1 Air Filter Cut To Compatible with Furnace & Air Conditioner High Air Flow Polyester Fiber Filter Media 2 Pack (20 x 30 x 0.7 actual)
Allisfresh$24.15128 rev

Air Vent Filters 20x90 Cut to Fit Air Filter Material MERV 8 Reusable 3-Layer Air Vent Filter for Home Floor Grilles Ceiling HVAC Furnace Vents With Adhesive Tape
BBJARESKY$18.3295 rev

Nexiview 20x25x1 Furnace Filter-MERV8 Washable & Reusable Electrostatic Air Filter AC/HVAC Furnace Filter Permanent Air Filter Breathe Fresher Easy Install
Nexiview$28.58635 rev

Nexiview 16x20x1 Furnace Filter-MERV8 Washable & Reusable Electrostatic Air Filter AC/HVAC Furnace Filter Permanent Air Filter Breathe Fresher Easy Install
Nexiview$26.06635 rev
Trending
90-day click momentum
18x20x1 Electrostatic Air Filter MERV 8 Washable Reusable Furnace AC/HVAC Filter Energy Saving Easy to Clean Long-Lasting by LifeSupplyUSA
LifeSupplyUSA$37.604.5★

Torjim 20x20x1 MERV8 Washable & Reusable Electrostatic Air Filter - AC/HVAC Furnace Filter Permanent Breathe Fresher Easy Install
Torjim$33.644.4★

20x30x1 Electrostatic Air Filter MERV 8 Washable Reusable Furnace AC/HVAC Filter Energy Saving Easy to Clean Long-Lasting by LifeSupplyUSA
LifeSupplyUSA$34.434.5★

AirThreds 20x30x1 Air Filter for AC HVAC Furnace Machine Washable & Dryer Friendly MREV 8 Plus Reusable Air Filters
AirThreds$26.474.7★

UBeesize 20x20x1 Reusable Air Filter - Washable MERV 8 Permanent Electrostatic - Lasts a Lifetime - Enjoy Fresher Air in Home and Office HVAC AC Furnace Systems (Actual Size: 19.75x19.75x0.8 Inch)
UBeesize$40.884.4★
What buyers say about washable air filter
What buyers praise and complain about, mined from review topics.What buyers love
“Efficient filter”
“Fit perfectly”
“These are really well made and worth it”
“Good deal”
“As advertised”
“Clean air”
“Easy to use”
“These reusable air filters work great”
“Good quality materials”
“it makes no noise when its in the enclosure of the air handler”
What buyers complain about
“The filter always was tight”
“so cheap the sizes are even 1/2 inch short”
“Thin material”
“Quality was not there”
“Its just overpriced filters”
“It didn't help at all, if anything; it made my air quality worse so I'm returning it”
“broke in half”
“Not as listed”
“Smells of smoke and chemicals”
“The company we bought those from didnt have the color we wanted for our cal king”
Top return reasons
Common questions
- Is washable air filter profitable to sell on Amazon United States?
- The niche generates $104K/yr across 25 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +28.5%. Flapen's verdict: Skip it (48/100).
- How competitive is the washable air filter niche?
- 12 brands and 14 sellers compete. The top 5 products take 58% of clicks and top 5 brands hold 78% of demand.
- What do buyers complain about in washable air filter?
- Top complaints mined from reviews: Filtration, Size-Overall, Thickness. The return rate is 2.6%.
- When does demand for washable air filter peak?
- Demand peaks in Jul–Oct; the busiest month runs 2.9× the quietest.
- What does it cost to enter the washable air filter niche?
- Listings span $10.07–$55.47; the average listing price is $31.59 (sweet spot $15–$100). The average incumbent carries 1,998 reviews — the moat a new listing must climb.