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54

14x20x1 air filter

Worth a look

Shows searches that convert (17.7% search→purchase), but brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list.

Market size 97Growth 47Conversion 99Competition 10Returns 93Price range 95Avg price 95Brand share 0Review moat 2Quality gap 19

Conversion

Incredible17.7%

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

Market size

Incredible$4.3M

$4.3M/yr · 772K searches

Avg price

Incredible$31.62

avg listing price — sweet spot $15–$100

Price range

Incredible$22.30–$48.35

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

Returns

Great1.1%

return rate — above 5% kills the launch gate

Growth

Okay+17.3%

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

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

Competition

Bad88%

top-5 click share — a locked-up shelf

Review moat

Bad46,860.75

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, 14x20x1 air filter is a $4.3M/yr Amazon United States market (772K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jul. Verdict: Worth a look — 54/100.

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

14x20x1 air filter market data

Units sold / yr
125K–150K
avg 15,000–20,000/product
Revenue / yr
$4.0M–$4.7M
units × avg price
Conversion rate
17.7%
Avg BSR
#7
Page quality
0%
Prime
75%
Sponsored
88%
Out of stock
0.0%
Avg brand age
56 months
Avg seller age
177 days

Competition & brand share

The top 5 products capture 88% of clicks — a locked-up shelf that new listings rarely crack.

Brands

4 falling

Sellers

23

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

88%

Top 20: 100%

Open market

0%

  • Amazon Basics52%
  • Simply22%
  • Filtrete16%
  • Filterbuy10%
  • Open — no brand owns it (0%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +17.3% search growth over the last 90 days.
23K18KSpike '25Prime Day '25Spike '26Prime Day '26SepDecMarJunAugNovMarMay

Peak months: Jul · busiest ÷ quietest = 1.6×

Top 14x20x1 air filter search terms

  • 14x20x1 air filter385K/yr
  • air filter 14x20x192K/yr
  • air filters 14x20x134K/yr
  • 14 x 20 x 1 air filters for home34K/yr
  • 14x20x1 air filter 6 pack27K/yr
  • furnace filters 14x20x136K/yr
  • filtrete 14x20x120K/yr
  • ac filter 14x20x114K/yr
  • 14x20x117K/yr
  • 20x14x1 air filter16K/yr
All search terms

Top 14x20x1 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%15%$649K30%$1.3M45%$1.9M60%$2.6M1K10K100K1.0M Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 8 tracked products in this niche — three views at once, no toggling.

What buyers say about 14x20x1 air filter

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

What buyers love

Filtration27%

“Clean filter”

Value For Money19%

“Great Value”

Size-Overall17%

“Work and fit as described”

Quality-Overall16%

“Good mid-grade option”

Advertised Vs Actual Product8%

“They work as they should”

Efficiency3%

“Works well”

Strength2%

“Solid product”

Durability2%

“Great size and durable”

Ease Of Use1%

“Simple, works, no complaints”

Allergies1%

“it's great for my allergies”

What buyers complain about

Filtration24%

“Worse filters ever”

Quality-Overall19%

“Poor quality”

Size-Overall17%

“Did not fit in my furnace”

Durability6%

“Comes apart almost immediately”

Material Quality4%

“Cheap Material”

Strength4%

“are so flimsy that they deformed in normal use”

Natural Resource Wastage4%

“Very wasteful”

Value For Money4%

“the rest for a better price”

Adhesion/Stickiness4%

“Not glued on sides”

Advertised Vs Actual Product2%

“you could miss this in the description”

Top return reasons

Size-Overall84%
Filtration8%
Compatibility-Overall2%
Value For Money2%
Advertised Vs Actual Product1%
Defective Material/Parts1%
Quality-Overall0%
Functionality-Overall0%
Material Quality0%
Thin0%

Common questions

Is 14x20x1 air filter profitable to sell on Amazon United States?
The niche generates $4.3M/yr across 8 tracked products. 90-day search growth is +17.3%. Flapen's verdict: Worth a look (54/100).
How competitive is the 14x20x1 air filter niche?
4 brands and 23 sellers compete. The top 5 products take 88% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in 14x20x1 air filter?
Top complaints mined from reviews: Filtration, Quality-Overall, Size-Overall. The return rate is 1.1%.
When does demand for 14x20x1 air filter peak?
Demand peaks in Jul; the busiest month runs 1.6× the quietest.
What does it cost to enter the 14x20x1 air filter niche?
Listings span $22.30–$48.35; the average listing price is $31.62 (sweet spot $15–$100). The average incumbent carries 46,861 reviews — the moat a new listing must climb.