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4 Inch Vent Cover

Maybe

The top 5 brands take only 49% of clicks. But demand is soft, at -23.1% this quarter, so 4 Inch Vent Cover is a Maybe.

Flapen Score
50
50 / 100
Top 28% of 845 Appliances niches · +5 vs the category median of 45
Market size
$121K/yr182K searches / yr
90-day growth
-23.1%search demand this quarter
Competition
33%top-5 click share · 42 brands · 84 sellers

Flapen Score

4 Inch Vent Cover against its category

The dotted line is the Appliances average. Past it, 4 Inch Vent Cover is stronger. Inside it, weaker.

50Maybe
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The 4 Inch Vent Cover market on Amazon at a glance

Shoppers on Amazon United States searched for 4 Inch Vent Cover 182K times last year and spent an estimated $121K. The top 5 brands take 49% of clicks. Demand peaks in Jun–Nov. Flapen scores it 50 out of 100, a Maybe.

01 · Demand

An estimated 3.7% of those searches ended in a purchase.

Shoppers searched for this 182K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 3.7% of those searches ended in a purchase. Searches in the last 90 days moved -23.1% against the 90 days before. Searches, conversion and average price together put the market at an estimated $121K a year.

Searches, last 12 months
182K
Growth, 90 days vs prior 90
-23.1%
Conversion, latest week
3.7%
Market size, estimated
$121Ka year
Peak month
June2.0× the quietest month
Top search term
metal dryer vent cover15K searches a year

02 · Price

A sale here is worth $18.18.

Listings sell for $18.18 on average, from $5.71 to $44.88. Amazon reports units sold in ranges. This niche sold 6K to 8K a year. The average listing sells 100 to 250 of them. At $18.18 that is $2K to $5K a year per listing.

Average price
$18.18inside the $15 to $100 sweet spot
Price range
$5.71–$44.88
Amazon United States median price
$24.38across 115,062 niches
Units sold a year
6K–8K
Units per listing a year
100–250
Revenue per listing a year
$2K–$5K
Returns
4.3%of orders · Amazon United States median 2.1%

03 · Entry bar

The bar here is ads.

95% of listings pay for placement with sponsored ads. 98% ship with Prime. On an average day, 1.8% of listings are out of stock. The average listing ranks #260 within Dryer Parts & Accessories. It carries 1,210 reviews at 4.48 stars, so a new listing needs social proof before a better product.

Sponsored listings
95%
Prime listings
98%
Out of stock, average day
1.8%
Average rank
#260in Dryer Parts & Accessories
Average rating
4.48 starsAmazon United States average 4.42 stars
Average reviews
1,210per listing
Listings tracked
64

04 · Newcomers

7 of last year's 9 launches cleared the first-year sales bar.

9 products launched here in the last 12 months. 7 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 40 months on average, so the names here are settling in.

Launched, last 12 months
9
Successful launches
7Amazon's first-year sales bar
Average brand age
40 months

Products

Top 4 Inch Vent Cover products & what they sell for

The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.

Prices and ratings read from Amazon on Jul 5, 2026. The live listing can differ.

Competition

Competition: brands, sellers & click share

The top 5 products take an estimated 33% of clicks, no more. An open shelf where new products get seen.

$0$4K$7K$11K$15K101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

42 rising

Sellers

84

Est. top-5 brand share

49%

Top 20: 85%

Est. top-5 click share

33%

Top 20: 66%

Open market

46%

  • Deflecto15%
  • Hon&Guan10%
  • Funmit10%
  • no-pest vent9%
  • Hydencamm5%
  • HG Power5%

Demand

4 Inch Vent Cover search demand

Weekly searches over the year, seasonality beneath. Pick a range.

4K3KSpike '25Black Friday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jun, Nov · busiest ÷ quietest = 2.0×

Search terms

Top 4 Inch Vent Cover search terms shoppers use

The exact words shoppers type, with estimated yearly volume, growth, and conversion.

  • metal dryer vent cover15K/yr
  • 4 inch vent cover17K/yr
  • vent covers for outside15K/yr
  • exterior vent covers16K/yr
  • dryer vent flap13K/yr
  • outside vent covers for house13K/yr
  • exterior vent covers for house9K/yr
  • outdoor vent covers for house11K/yr
  • exterior bathroom exhaust vent cover4K/yr
  • 4 vent cover8K/yr

Reviews and returns

What reviews say buyers love and hate about 4 Inch Vent Cover

We read the reviews and the return reasons for every product selling here.

24%of positive reviews mention “Quality-Overall”
19%of negative reviews mention “Size-Overall”
4.3%of orders come back
“Too small”
A buyer, on “Size-Overall”19% of negative reviews mention the same topic

Every topic

Every topic buyers talk about, one row each.

Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.

16 topics

NegativePositive

FAQ

Common 4 Inch Vent Cover questions

Answered from the same tracked data.

Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data