Skip to content
50

10x20x1 air filter

Worth a look

Shows low returns (0.8%), but brand-locked demand (top 5 brands take 96% of clicks) keeps it on the watch list.

Market size 60Growth 39Conversion 90Competition 20Returns 96Price range 91Avg price 95Brand share 10Review moat 15Quality gap 21

Returns

Incredible0.8%

return rate — above 5% kills the launch gate

Avg price

Incredible$34.65

avg listing price — sweet spot $15–$100

Price range

Great$12.50–$61.30

cheapest to priciest tracked listing — scored on the share inside $15–$100

Conversion

Great10.7%

search→purchase rate — share of searches ending in a sale

Market size

Good$494K

$494K/yr · 134K searches

Growth

Okay+11.2%

90-day search growth — must beat 0% to launch

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

Competition

Bad76%

top-5 click share — a locked-up shelf

Review moat

Bad22,017

avg incumbent reviews — the moat a new listing must climb

Brand share

Bad96%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, 10x20x1 air filter is a $494K/yr Amazon United States market (134K searches/yr). The top 5 brands hold 96% of demand. Demand peaks in Jul. Verdict: Worth a look — 50/100.

Data updated Jul 27, 2026 · scored weekly · How we score niches

10x20x1 air filter market data

Units sold / yr
15K–20K
avg 1,000–1,250/product
Revenue / yr
$520K–$693K
units × avg price
Conversion rate
10.7%
Avg BSR
#116
Page quality
0%
Prime
71%
Sponsored
79%
Out of stock
7.2%
Avg brand age
63 months
Avg seller age
183 days

Competition & brand share

The top 5 products capture 76% of clicks — a locked-up shelf that new listings rarely crack.

Brands

7 falling

Sellers

21

Top-5 brand share

96%

Top 20: 100%

Top-5 click share

76%

Top 20: 100%

Open market

2%

  • Simply36%
  • Filtrete35%
  • Filterbuy16%
  • Maycold7%
  • MOAJ2%
  • AIRx Filters2%
  • Open — no brand owns it (1 brand, 2%)

Demand & seasonality

Weekly Amazon search volume, last 103 weeks — +11.2% search growth over the last 90 days.
4K3KSpike '25Prime Day '25Spike '26Prime Day '26DecMarJunAugNovMarMay

Peak months: Jul · busiest ÷ quietest = 1.5×

Top 10x20x1 air filter search terms

  • 10x20x1 air filter66K/yr
  • air filter 10x20x120K/yr
  • 10 x 20 x 1 air filters for home9K/yr
  • furnace filters 10x20x18K/yr
  • 10x20x1 furnace filter6K/yr
  • 10x20x1 air filter 6 pack6K/yr
  • 20x10x1 air filter6K/yr
  • 10x20 air filter5K/yr
  • air filters 10x20x15K/yr
  • 10x20x14K/yr
All search terms

Top 10x20x1 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.

0%10%$49K20%$99K30%$148K40%$198K101001K10K100K1.0M Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 14 tracked products in this niche — three views at once, no toggling.

What buyers say about 10x20x1 air filter

What buyers praise and complain about, mined from review topics.

What buyers love

Quality-Overall24%

“Great quality and price”

Size-Overall24%

“Perfect fit”

Filtration17%

“The filters do a very good job of trapping dust in the outside air here in Colorado”

Value For Money14%

“These are a good value for the money in my opinion”

Advertised Vs Actual Product5%

“That they do the job”

Efficiency2%

“Seems to be working super well”

Strength2%

“These are sturdy enough”

Assembly/Installation2%

“While they form a tight fit, they are easy to install and remove”

What buyers complain about

Size-Overall27%

“Not the measurements ordered”

Quality-Overall20%

“Cheaply made”

Thickness10%

“They look very thin”

Advertised Vs Actual Product5%

“the delivery info is completely inaccurate”

Adhesion/Stickiness5%

“sticks when its been inserted”

Value For Money5%

“was a bit pricey”

Measurement/Reading Accuracy3%

“The measurement is incorrect”

Top return reasons

Size-Overall87%
Filtration6%
Compatibility-Overall3%
Advertised Vs Actual Product2%
Value For Money1%
Certifications1%
Noise Level1%
Thin0%
Defective Material/Parts0%
Measurement/Reading Accuracy0%

Common questions

Is 10x20x1 air filter profitable to sell on Amazon United States?
The niche generates $494K/yr across 14 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is +11.2%. Flapen's verdict: Worth a look (50/100).
How competitive is the 10x20x1 air filter niche?
7 brands and 21 sellers compete. The top 5 products take 76% of clicks and top 5 brands hold 96% of demand.
What do buyers complain about in 10x20x1 air filter?
Top complaints mined from reviews: Size-Overall, Quality-Overall, Thickness. The return rate is 0.8%.
When does demand for 10x20x1 air filter peak?
Demand peaks in Jul; the busiest month runs 1.5× the quietest.
What does it cost to enter the 10x20x1 air filter niche?
Listings span $12.50–$61.30; the average listing price is $34.65 (sweet spot $15–$100). The average incumbent carries 22,017 reviews — the moat a new listing must climb.