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47

20x30x2 air filter

Skip it

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

Market size 42Growth 53Conversion 86Competition 29Returns 100Price range 52Avg price 83Brand share 0Review moat 21Quality gap 23

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Conversion

Great9.8%

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

Avg price

Great$78.36

avg listing price — sweet spot $15–$100

Growth

Good+24.5%

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

Price range

Good$44.40–$150.95

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

Market size

Okay$221K

$221K/yr · 29K searches

Competition

Okay68%

top-5 click share — leaders hold, buyers still browse

Quality gap

Bad4.6★

avg incumbent rating — lower means beatable quality

Review moat

Bad10,605.64

avg incumbent reviews — the moat a new listing must climb

Brand share

Bad100%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, 20x30x2 air filter is a $221K/yr Amazon United States market (29K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Sep–Oct. Verdict: Skip it — 47/100.

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

20x30x2 air filter market data

Units sold / yr
3K–4K
avg 100–250/product
Revenue / yr
$235K–$313K
units × avg price
Conversion rate
9.8%
Avg BSR
#83
Page quality
0%
Prime
7%
Sponsored
100%
Out of stock
0.0%
Avg brand age
61 months
Avg seller age
191 days

Competition & brand share

The top 5 products take 68% of clicks — established leaders, but buyers still shop beyond them.

Brands

4 flat

Sellers

8

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

68%

Top 20: 100%

Open market

0%

  • Filterbuy51%
  • Filter King42%
  • MANN+HUMMEL5%
  • Nordic Pure3%

Demand & seasonality

Weekly Amazon search volume, last 97 weeks — +24.5% search growth over the last 90 days.
18K13KSpike '24Holiday '24Spike '25Prime Day '25Spike '26DecMarJunAugNovMarMay

Peak months: Sep, Oct · busiest ÷ quietest = 18.5×

Top 20x30x2 air filter search terms

  • 20x30x2 air filter18K/yr
  • 20x30x2 air filters for home3K/yr
  • air filter 20x30x24K/yr
  • 20x30x24K/yr
All search terms

Top 20x30x2 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%$22K20%$44K30%$66K40%$88K1101001K10K100K 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 20x30x2 air filter

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

What buyers love

Quality-Overall42%

“Good quality”

Value For Money25%

“Good Value”

Filtration17%

“Good filters”

What buyers complain about

Value For Money33%

“Price is high”

Top return reasons

Size-Overall75%
Filtration11%
Thickness4%
Compatibility-Overall4%
Defective Material/Parts2%
Advertised Vs Actual Product1%
Certifications1%
Mechanism Issues1%
Quality-Overall1%
Thin1%

Common questions

Is 20x30x2 air filter profitable to sell on Amazon United States?
The niche generates $221K/yr across 14 tracked products. 90-day search growth is +24.5%. Flapen's verdict: Skip it (47/100).
How competitive is the 20x30x2 air filter niche?
4 brands and 8 sellers compete. The top 5 products take 68% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in 20x30x2 air filter?
Top complaints mined from reviews: Value For Money. The return rate is 0.0%.
When does demand for 20x30x2 air filter peak?
Demand peaks in Sep–Oct; the busiest month runs 18.5× the quietest.
What does it cost to enter the 20x30x2 air filter niche?
Listings span $44.40–$150.95; the average listing price is $78.36 (sweet spot $15–$100). The average incumbent carries 10,606 reviews — the moat a new listing must climb.