20x25x6 air filter
Worth a lookShows sweet-spot pricing room ($37.85–$98.50), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Price range
Incredible$37.85–$98.50cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Great$62.46avg listing price — sweet spot $15–$100
Returns
Great1.6%return rate — above 5% kills the launch gate
Conversion
Good6.8%search→purchase rate — share of searches ending in a sale
Growth
Good+41.3%90-day search growth — must beat 0% to launch
Competition
Good50%top-5 click share — leaders hold, buyers still browse
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Brand share
Okay78%top-5 brand share — brands hold most of the demand
Review moat
Okay2,062.2avg incumbent reviews — the moat a new listing must climb
Market size
Okay$200K$200K/yr · 47K searches
According to Flapen's Amazon United States niche tracking, 20x25x6 air filter is a $200K/yr Amazon United States market (47K searches/yr). The top 5 brands hold 78% of demand. Demand peaks in Jul–Nov–Dec. Verdict: Worth a look — 61/100.
Data updated Jul 27, 2026 · scored weekly · How we score niches
20x25x6 air filter market data
- Units sold / yr
- 3K–4K
- avg 100–250/product
- Revenue / yr
- $187K–$250K
- units × avg price
- Conversion rate
- 6.8%
- Avg BSR
- #806
- Page quality
- 0%
- Prime
- 60%
- Sponsored
- 88%
- Out of stock
- 0.0%
- Avg brand age
- 70 months
- Avg seller age
- 168 days
Competition & brand share
The top 5 products take 50% of clicks — established leaders, but buyers still shop beyond them.Brands
11 rising
Sellers
49
Top-5 brand share
78%
Top 20: 100%
Top-5 click share
50%
Top 20: 93%
Open market
14%
- Filterbuy36%
- AIRx Filters14%
- Aneedmore11%
- PZHARQG9%
- Filtrete9%
- BestAir7%
- Open — no brand owns it (5 brands, 14%)
Demand & seasonality
Weekly Amazon search volume, last 81 weeks — +41.3% search growth over the last 90 days.Peak months: Jul, Nov, Dec · busiest ÷ quietest = 2.9×
Top 20x25x6 air filter search terms
- 20x25x6 air filter19K/yr
- 20x25x6 furnace filter13K/yr
- air filter 20x25x66K/yr
- furnace filters 20x25x66K/yr
- 20x25x64K/yr
Top 20x25x6 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
Filterbuy 20x25x6 Air Filter MERV 8 Essential Dust & Allergy Defense (2-Pack) Pleated HVAC AC Furnace Filters for AprilAire Space-Gard 201 2200 2250 & Lennox (Actual Size: 19.75 x 24.25 x 6.00)
Filterbuy$76.464.6★19,747 rev
Filterbuy 20x25x6 Air Filter MERV 11 Superior Pet & Allergy Defense (2-Pack) Pleated HVAC AC Furnace Filters for AprilAire Space-Gard 201 2200 2250 & Lennox (Actual Size: 19.75 x 24.25 x 6.00)
Filterbuy$81.094.6★13,433 rev
Aneedmore 201 Replacement Filter Compatible with AprilAire Space-Gard 2200 2250 and Compatible with Lennox MERV13 Pleated HVAC AC Furnace Filters 20x25x6(Actual Size: 19.75 x 24.25 x 6.00)(2 Pack)
Aneedmore$58.204.6★12 rev
20x25x6 Furnace Filter MERV 13 Compatible with AprilAire 201 Space-Gard 2200 2250 Foldable Actual: 19.75 x 24.25 x 6 2-Pack
PZHARQG$59.544.2★25 rev
AIRX FILTERS WICKED CLEAN AIR. 20x25x6 Air Filter MERV 11 Compatible with Aprilaire 201 Furnace Filter 2 pack
AIRx Filters$69.614.5★63 rev
Newest
by launch date
20x25x6 Replacement Filter Compatible with AprilAire SpaceGard 20122002250 Furnace Filter HVAC AC MERV 13 Actual Size 19.75x 24.25x 6.00 Foldable (2-Piece)
filvita$66.6514 rev
POPUP 2200 MERV 11 Air Filter Compatible with Honeywell POPUP2200 Air Cleaning 20x25x6 Pleated Design Actual Size 21x24 61/64x5 21/64(2-PACKS)
filvita$72.1011 rev
20x25x6 MERV 11 Air Filter Compatible with Honeywell POPUP2200 Lennox PMAC20 GeneralAire AC-1 Air Cleaning Pleated Design Actual Size 21x24 61/64x5 21/64 (1-PACKS)
filvita$44.3711 rev
20x25x6 Furnace Filters MERV13 Compatible with AprilAire Space-Gard 201 2200 2250 Foldable (Actual Size: 19.75 x 24.25 x 6.00) 2-Pack
Sikidink$68.0626 rev
Aneedmore 201 Replacement Filter Compatible with AprilAire Space-Gard 2200 2250 and Compatible with Lennox MERV13 Pleated HVAC AC Furnace Filters 20x25x6(Actual Size: 19.75 x 24.25 x 6.00)(2 Pack)
Aneedmore$58.2012 rev
Trending
90-day click momentumPOPUP 2200 MERV 11 Air Filter Compatible with Honeywell POPUP2200 Air Cleaning 20x25x6 Pleated Design Actual Size 21x24 61/64x5 21/64(2-PACKS)
filvita$72.103.6★
20x25x6 MERV 11 Air Filter Compatible with Honeywell POPUP2200 Lennox PMAC20 GeneralAire AC-1 Air Cleaning Pleated Design Actual Size 21x24 61/64x5 21/64 (1-PACKS)
filvita$44.373.6★
Aneedmore 201 Replacement Filter Compatible with AprilAire Space-Gard 2200 2250 and Compatible with Lennox MERV13 Pleated HVAC AC Furnace Filters 20x25x6(Actual Size: 19.75 x 24.25 x 6.00)(2 Pack)
Aneedmore$58.204.6★
20x25x6 Furnace Filter MERV 13 Compatible with AprilAire 201 Space-Gard 2200 2250 Foldable Actual: 19.75 x 24.25 x 6 1-Pack
PZHARQG$37.854.2★
Aneedmore 201 Replacement Filter Compatible with AprilAire Space-Gard 2200 2250 and Compatible with Lennox MERV13 Pleated HVAC AC Furnace Filters 20x25x6(Actual Size: 19.75 x 24.25 x 6.00)(1 Pack)
Aneedmore$44.994.6★
What buyers say about 20x25x6 air filter
What buyers praise and complain about, mined from review topics.What buyers love
“Good filter”
“Best price”
“fits like it should”
“Seems like a good quality AC filter”
“Exactly as advertised”
“Easy installation”
“Works great”
“Very cool design”
“Very sturdy”
“it seems like its durable”
What buyers complain about
“Didn't fit”
“Not all filters are the same”
“Minor assembly”
“I would expect better quality assurance”
“Not Fully Compatible”
“it is very difficult to use”
“are flimsy”
“Shame on me for not reading the spec sheet carefully”
“just more expensive”
“a bit too thin”
Top return reasons
Common questions
- Is 20x25x6 air filter profitable to sell on Amazon United States?
- The niche generates $200K/yr across 25 tracked products. 2 of 8 products launched in the last 360 days are still selling. 90-day search growth is +41.3%. Flapen's verdict: Worth a look (61/100).
- How competitive is the 20x25x6 air filter niche?
- 11 brands and 49 sellers compete. The top 5 products take 50% of clicks and top 5 brands hold 78% of demand.
- What do buyers complain about in 20x25x6 air filter?
- Top complaints mined from reviews: Size-Overall, Filtration, Assembly/Installation. The return rate is 1.6%.
- When does demand for 20x25x6 air filter peak?
- Demand peaks in Jul–Nov–Dec; the busiest month runs 2.9× the quietest.
- What does it cost to enter the 20x25x6 air filter niche?
- Listings span $37.85–$98.50; the average listing price is $62.46 (sweet spot $15–$100). The average incumbent carries 2,062 reviews — the moat a new listing must climb.