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56

16x20x2 air filter

Worth a look

Shows low returns (0.2%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 60Growth 58Conversion 96Competition 30Returns 99Price range 95Avg price 91Brand share 21Review moat 20Quality gap 18

Returns

Incredible0.2%

return rate — above 5% kills the launch gate

Conversion

Incredible13.6%

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

Price range

Incredible$29.14–$84.05

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

Avg price

Great$56.02

avg listing price — sweet spot $15–$100

Market size

Good$513K

$513K/yr · 68K searches

Growth

Good+33.0%

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

Competition

Okay67%

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

Brand share

Bad92%

top-5 brand share — brand-locked demand

Review moat

Bad13,332.13

avg incumbent reviews — the moat a new listing must climb

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

According to Flapen's Amazon United States niche tracking, 16x20x2 air filter is a $513K/yr Amazon United States market (68K searches/yr). The top 5 brands hold 92% of demand. Demand peaks in Jun–Jul. Verdict: Worth a look — 56/100.

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

16x20x2 air filter market data

Units sold / yr
13K–15K
avg 500–750/product
Revenue / yr
$700K–$840K
units × avg price
Conversion rate
13.6%
Avg BSR
#121
Page quality
0%
Prime
40%
Sponsored
93%
Out of stock
0.0%
Avg brand age
66 months
Avg seller age
180 days

Competition & brand share

The top 5 products take 67% of clicks — established leaders, but buyers still shop beyond them.

Brands

7 flat

Sellers

13

Top-5 brand share

92%

Top 20: 100%

Top-5 click share

67%

Top 20: 100%

Open market

2%

  • Filterbuy41%
  • Filter King28%
  • Nordic Pure10%
  • Glasfloss7%
  • Filtrete6%
  • Aerostar6%
  • Open — no brand owns it (1 brand, 2%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +33.0% search growth over the last 90 days.
2K2KSpike '25Prime Day '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jun, Jul · busiest ÷ quietest = 1.7×

Top 16x20x2 air filter search terms

  • 16x20x2 air filter43K/yr
  • 16x20x28K/yr
  • 16 x 20 x 2 air filter5K/yr
  • air filter 16x20x25K/yr
  • 16x20x2 furnace filter6K/yr
All search terms

Top 16x20x2 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%$51K20%$103K30%$154K40%$205K101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 15 tracked products in this niche — three views at once, no toggling.

What buyers say about 16x20x2 air filter

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

What buyers love

Filtration26%

“Good filter”

Quality-Overall17%

“Quality filter”

Advertised Vs Actual Product13%

“Accurate description”

Value For Money13%

“Accurate description at a fair price”

Size-Overall10%

“They fit”

Efficiency7%

“Works great”

Strength6%

“theyre built solid”

Durability3%

“Very durable and easy to use”

Assembly/Installation2%

“how easy they are to install”

What buyers complain about

Filtration50%

“Not sure if it was Amazon or Filterbuy that messed up”

Value For Money17%

“Better pricing”

Strength17%

“Flimsy”

Top return reasons

Size-Overall77%
Filtration14%
Compatibility-Overall3%
Certifications2%
Thickness1%
Value For Money1%
Quality-Overall1%
Thin1%
Defective Material/Parts0%
Advertised Vs Actual Product0%

Common questions

Is 16x20x2 air filter profitable to sell on Amazon United States?
The niche generates $513K/yr across 15 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +33.0%. Flapen's verdict: Worth a look (56/100).
How competitive is the 16x20x2 air filter niche?
7 brands and 13 sellers compete. The top 5 products take 67% of clicks and top 5 brands hold 92% of demand.
What do buyers complain about in 16x20x2 air filter?
Top complaints mined from reviews: Filtration, Value For Money, Strength. The return rate is 0.2%.
When does demand for 16x20x2 air filter peak?
Demand peaks in Jun–Jul; the busiest month runs 1.7× the quietest.
What does it cost to enter the 16x20x2 air filter niche?
Listings span $29.14–$84.05; the average listing price is $56.02 (sweet spot $15–$100). The average incumbent carries 13,332 reviews — the moat a new listing must climb.