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17x20x1 air filter

Skip it

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Market size 17Growth 76Conversion 53Competition 11Returns 97Price range 95Avg price 94Brand share 0Review moat 20Quality gap 21

Returns

Incredible0.6%

return rate — above 5% kills the launch gate

Price range

Incredible$26.12–$65.57

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

Avg price

Great$46.75

avg listing price — sweet spot $15–$100

Growth

Great+62.8%

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

Conversion

Good4.4%

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

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

Review moat

Bad13,857.78

avg incumbent reviews — the moat a new listing must climb

Market size

Bad$68K

$68K/yr · 33K searches

Competition

Bad86%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, 17x20x1 air filter is a $68K/yr Amazon United States market (33K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 43/100.

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

17x20x1 air filter market data

Units sold / yr
2K–3K
avg 100–250/product
Revenue / yr
$94K–$117K
units × avg price
Conversion rate
4.4%
Avg BSR
#234
Page quality
0%
Prime
22%
Sponsored
89%
Out of stock
1.3%
Avg brand age
65 months
Avg seller age
201 days

Competition & brand share

The top 5 products capture 86% of clicks — a locked-up shelf that new listings rarely crack.

Brands

4 falling

Sellers

5

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

86%

Top 20: 100%

Open market

0%

  • Filterbuy37%
  • Filtrete37%
  • Filter King19%
  • Simply7%
  • Open — no brand owns it (0%)

Demand

Weekly Amazon search volume, last 38 weeks — +62.8% search growth over the last 90 days.
1K600Spike '26Nov '25Dec '25Jan '26Mar '26Apr '26May '26

Top 17x20x1 air filter search terms

  • 17x20x1 air filter18K/yr
  • air filter 17x20x17K/yr
  • 17x20x1 furnace filter5K/yr
  • furnace filters 17x20x14K/yr
All search terms

Top 17x20x1 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%$7K20%$14K30%$20K40%$27K101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 9 tracked products in this niche — three views at once, no toggling.

What buyers say about 17x20x1 air filter

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

What buyers love

Quality-Overall33%

“no complaints”

Filtration20%

“Great Filters”

Advertised Vs Actual Product18%

“Came as advertised”

Size-Overall15%

“Good fit”

Value For Money10%

“good value”

Durability3%

“these seem like they would last longer”

What buyers complain about

Size-Overall67%

“It did not fit”

Strength33%

“However they are so flimsy that they were all crushed when I received them”

Top return reasons

Size-Overall85%
Filtration5%
Compatibility-Overall5%
Advertised Vs Actual Product2%
Defective Material/Parts1%
Value For Money1%
Quality-Overall0%
Assembly/Installation0%

Common questions

Is 17x20x1 air filter profitable to sell on Amazon United States?
The niche generates $68K/yr across 9 tracked products. 90-day search growth is +62.8%. Flapen's verdict: Skip it (43/100).
How competitive is the 17x20x1 air filter niche?
4 brands and 5 sellers compete. The top 5 products take 86% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in 17x20x1 air filter?
Top complaints mined from reviews: Size-Overall, Strength. The return rate is 0.6%.
What does it cost to enter the 17x20x1 air filter niche?
Listings span $26.12–$65.57; the average listing price is $46.75 (sweet spot $15–$100). The average incumbent carries 13,858 reviews — the moat a new listing must climb.