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Flanders 20x20x1 Air Filter

Maybe

Search demand grew +143.8% this quarter. But shoppers spend an estimated $27K a year here, so Flanders 20x20x1 Air Filter is a Maybe.

Flapen Score
55
55 / 100
Top 21% of 9,536 Tools & Home Improvement niches · +7 vs the category median of 48
Market size
$27K/yr12K searches / yr
90-day growth
+143.8%search demand this quarter
Competition
55%top-5 click share · 10 brands · 55 sellers

Flapen Score

Flanders 20x20x1 Air Filter against its category

The dotted line is the Tools & Home Improvement average. Past it, Flanders 20x20x1 Air Filter is stronger. Inside it, weaker.

55Maybe
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Flanders 20x20x1 Air Filter market on Amazon at a glance

Shoppers on Amazon United States searched for Flanders 20x20x1 Air Filter 12K times last year and spent an estimated $27K. The top 5 brands take 90% of clicks. Demand peaks in Jun–Jul–Aug–Oct. Flapen scores it 55 out of 100, a Maybe.

01 · Demand

An estimated 7.0% of those searches ended in a purchase.

Shoppers searched for this 12K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 7.0% of those searches ended in a purchase. Searches in the last 90 days moved +143.8% against the 90 days before. Searches, conversion and average price together put the market at an estimated $27K a year.

Searches, last 12 months
12K
Growth, 90 days vs prior 90
+143.8%
Conversion, latest week
7.0%
Market size, estimated
$27Ka year
Peak month
July7.6× the quietest month
Top search term
20x20x1 fiberglass air filters6K searches a year

02 · Price

A sale here is worth $34.15.

Listings sell for $34.15 on average, from $11.94 to $61.70. Amazon reports units sold in ranges. This niche sold 1K to 1K a year. The average listing sells 0 to 100 of them. At $34.15 that is $0 to $3K a year per listing.

Average price
$34.15inside the $15 to $100 sweet spot
Price range
$11.94–$61.70
Amazon United States median price
$24.38across 115,062 niches
Units sold a year
1K–1K
Units per listing a year
0–100
Revenue per listing a year
$0–$3K
Returns
0.8%of orders · Amazon United States median 2.1%

03 · Entry bar

The bar here is reviews.

60% of listings pay for placement with sponsored ads. 35% ship with Prime. On an average day, 5.9% of listings are out of stock. The average listing ranks #402 within Furnace Parts & Accessories. It carries 14,061 reviews at 4.62 stars, so a new listing needs social proof before a better product.

Sponsored listings
60%
Prime listings
35%
Out of stock, average day
5.9%
Average rank
#402in Furnace Parts & Accessories
Average rating
4.62 starsAmazon United States average 4.42 stars
Average reviews
14,061per listing
Listings tracked
20

04 · Newcomers

2 of last year's 5 launches cleared the first-year sales bar.

5 products launched here in the last 12 months. 2 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 72 months on average, so the names here are established.

Launched, last 12 months
5
Successful launches
2Amazon's first-year sales bar
Average brand age
72 months

Products

Top Flanders 20x20x1 Air Filter 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 27, 2026. The live listing can differ.

Competition

Competition: brands, sellers & click share

The top 5 products take an estimated 55% of clicks. Leaders hold, but buyers still shop past them.

$0$1K$3K$4K$5K1101001K10K100K1.0M Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted

Brands

10 rising

Sellers

55

Est. top-5 brand share

90%

Top 20: 100%

Est. top-5 click share

55%

Top 20: 100%

Open market

7%

  • Generic30%
  • Flanders24%
  • Glasfloss19%
  • Amazon Basics11%
  • Filtrete6%
  • Simply3%
  • Open — no brand owns it (4 brands, 7%)

Demand

Flanders 20x20x1 Air Filter search demand

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

900700Spike '25Spike '26Prime Day '26SepOctNovDecJanFebMarAprMayJunJul

Peak months: Jun, Jul, Aug, Oct · busiest ÷ quietest = 7.6×

Search terms

Top Flanders 20x20x1 Air Filter search terms shoppers use

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

  • 20x20x1 fiberglass air filters6K/yr
  • 20x20x1 air filter merv 43K/yr
  • flanders 20x20x1 air filter3K/yr

Reviews and returns

What reviews say buyers love and hate about Flanders 20x20x1 Air Filter

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

25%of positive reviews mention “Filtration”
27%of negative reviews mention “Filtration”
0.8%of orders come back
“Terrible filtration”
A buyer, on “Filtration”27% 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.

17 topics

NegativePositive

FAQ

Common Flanders 20x20x1 Air Filter 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