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18x30x1 Air Filter

Maybe

Returns run at only 0.6% of orders. But the top 5 brands take 93% of clicks, so 18x30x1 Air Filter is a Maybe.

Flapen Score
60
60 / 100
Top 8% of 9,536 Tools & Home Improvement niches · +12 vs the category median of 48
Market size
$963K/yr202K searches / yr
90-day growth
+34.3%search demand this quarter
Competition
57%top-5 click share · 10 brands · 19 sellers

Flapen Score

18x30x1 Air Filter against its category

The dotted line is the Tools & Home Improvement average. Past it, 18x30x1 Air Filter is stronger. Inside it, weaker.

60Maybe
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The 18x30x1 Air Filter market on Amazon at a glance

Shoppers on Amazon United States searched for 18x30x1 Air Filter 202K times last year and spent an estimated $963K. The top 5 brands take 93% of clicks. Demand peaks in Jun–Jul. Flapen scores it 60 out of 100, a Maybe.

01 · Demand

9.7% of searches ended in a purchase last week.

Shoppers searched for this 202K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. In the latest week, 9.7% of those searches ended in a purchase. Searches in the last 90 days moved +34.3% against the 90 days before. Searches, conversion and average price together put the market at an estimated $963K a year.

Searches, last 12 months
202K
Growth, 90 days vs prior 90
+34.3%
Conversion, latest week
9.7%
Market size, estimated
$963Ka year
Peak month
July1.8× the quietest month
Top search term
18x30x1 air filter99K searches a year

02 · Price

A sale here is worth $49.50.

Listings sell for $49.50 on average, from $26.55 to $80.11. Amazon reports units sold in ranges. This niche sold 20K to 25K a year. The average listing sells 1,000 to 1,250 of them. At $49.50 that is $50K to $62K a year per listing.

Average price
$49.50inside the $15 to $100 sweet spot
Price range
$26.55–$80.11
Amazon United States median price
$24.38across 115,062 niches
Units sold a year
20K–25K
Units per listing a year
1,000–1,250
Revenue per listing a year
$50K–$62K
Returns
0.6%of orders · Amazon United States median 2.1%

03 · Entry bar

The bar here is reviews.

76% of listings pay for placement with sponsored ads. 62% ship with Prime. On an average day, 2.5% of listings are out of stock. The average listing ranks #136 within Furnace Parts & Accessories. It carries 12,549 reviews at 4.64 stars, so a new listing needs social proof before a better product.

Sponsored listings
76%
Prime listings
62%
Out of stock, average day
2.5%
Average rank
#136in Furnace Parts & Accessories
Average rating
4.64 starsAmazon United States average 4.42 stars
Average reviews
12,549per listing
Listings tracked
21

04 · Newcomers

Brands here are settling in.

The brands on the shelf have sold for 59 months on average, so the names here are settling in.

Launched, last 12 months
0
Successful launches
0Amazon's first-year sales bar
Average brand age
59 months

Products

Top 18x30x1 Air Filter products & what they sell for

Every tracked product: its share of the shelf, its reviews, and its price.

Competition

Competition: brands, sellers & click share

The top 5 products take 57% of clicks. Leaders hold, but buyers still shop past them.

$0$39K$77K$116K$154K101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

10 rising

Sellers

19

Top-5 brand share

93%

Top 20: 100%

Top-5 click share

57%

Top 20: 99%

Open market

5%

  • Filterbuy36%
  • Filtrete28%
  • Filter King16%
  • Simply8%
  • Aerostar6%
  • protectplusair2%
  • Open — no brand owns it (4 brands, 5%)

Demand

18x30x1 Air Filter search demand

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

6K4KSpike '25Prime Day '25Spike '26DecMarJunAugNovMarMay

Peak months: Jun, Jul · busiest ÷ quietest = 1.8×

Search terms

Top 18x30x1 Air Filter search terms shoppers use

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

  • 18x30x1 air filter99K/yr
  • air filter 18x30x125K/yr
  • 18x30x1 air filter 6 pack14K/yr
  • 18 x 30 x 1 air filters for home14K/yr
  • ac filter 18x30x19K/yr
  • 18x30x16K/yr
  • furnace filters 18x30x16K/yr
  • 18x30x1 furnace filter6K/yr
  • 18x30 air filter6K/yr
  • air filters 18x30x15K/yr

Reviews and returns

What reviews say buyers love and hate about 18x30x1 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 “Size-Overall”
0.6%of orders come back
“too big to fit”
A buyer, on “Size-Overall”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.

18 topics

NegativePositive

FAQ

Common 18x30x1 Air Filter questions

Answered from the same tracked data.