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Best Water Filter

Fail

Shoppers spend only $51K a year here, so Best Water Filter is a Fail.

Flapen Score
40
40 / 100
Ranks 7,617 of 9,536 Tools & Home Improvement niches · −8 vs the category median of 48
Market size
$51K/yr42K searches / yr
90-day growth
-6.3%search demand this quarter
Competition
41%top-5 click share · 20 brands · 134 sellers

Flapen Score

Best Water Filter against its category

The dotted line is the Tools & Home Improvement average. Past it, Best Water Filter is stronger. Inside it, weaker.

40Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Best Water Filter market on Amazon at a glance

Shoppers on Amazon United States searched for Best Water Filter 42K times last year and spent an estimated $51K. The top 5 brands take 66% of clicks. Flapen scores it 40 out of 100, a Fail.

01 · Demand

1.2% of searches ended in a purchase last week.

Shoppers searched for this 42K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. In the latest week, 1.2% of those searches ended in a purchase. Searches in the last 90 days moved -6.3% against the 90 days before. Searches, conversion and average price together put the market at an estimated $51K a year.

Searches, last 12 months
42K
Growth, 90 days vs prior 90
-6.3%
Conversion, latest week
1.2%
Market size, estimated
$51Ka year
Peak month
January1.2× the quietest month
Top search term
best water filter29K searches a year

02 · Price

A sale here is worth $100.52.

Listings sell for $100.52 on average, from $13.86 to $422.62. Amazon reports units sold in ranges. This niche sold 500 to 750 a year. The average listing sells 0 to 100 of them. At $100.52 that is $0 to $10K a year per listing.

Average price
$100.52above the $15 to $100 sweet spot
Price range
$13.86–$422.62
Amazon United States median price
$24.38across 115,062 niches
Units sold a year
500–750
Units per listing a year
0–100
Revenue per listing a year
$0–$10K
Returns
2.9%of orders · Amazon United States median 2.1%

03 · Entry bar

The bar here is ads and reviews.

98% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 2.7% of listings are out of stock. The average listing ranks #62 within Water Filtration & Softeners. It carries 14,670 reviews at 4.44 stars, so a new listing needs social proof before a better product.

Sponsored listings
98%
Prime listings
100%
Out of stock, average day
2.7%
Average rank
#62in Water Filtration & Softeners
Average rating
4.44 starsAmazon United States average 4.42 stars
Average reviews
14,670per listing
Listings tracked
48

04 · Newcomers

Amazon counts 8 of last year's 8 launches as successful.

8 products launched here in the last 12 months. Amazon counts 8 of them as successful launches, new products that hit its first-year sales bar. The brands on the shelf have sold for 73 months on average, so the names here are established.

Launched, last 12 months
8
Successful launches
8Amazon's first-year sales bar
Average brand age
73 months

Products

Top Best Water 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 41% of clicks. Leaders hold, but buyers still shop past them.

$0$2K$3K$5K$6K1001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

20 falling

Sellers

134

Top-5 brand share

66%

Top 20: 100%

Top-5 click share

41%

Top 20: 79%

Open market

29%

  • BRITA28%
  • Waterdrop16%
  • DREO8%
  • Bluevua8%
  • PUR6%
  • Berkey5%

Demand

Best Water Filter search demand

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

1K750Prime Day '25Spike '25Spike '26AprMayJunJulAugSepOctNovDecJanFebMarAprMayJunJul

No pronounced peak months · busiest ÷ quietest = 1.2×

Search terms

Top Best Water Filter search terms shoppers use

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

  • best water filter29K/yr
  • nsf certified water filter6K/yr
  • water filter lead3K/yr
  • water filter that removes pfas2K/yr
  • top ten water filters756/yr
  • bacteria removing water filters906/yr

Reviews and returns

What reviews say buyers love and hate about Best Water Filter

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

21%of positive reviews mention “Filtration”
24%of negative reviews mention “Filtration”
2.9%of orders come back
“No filters”
A buyer, on “Filtration”24% 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 Best Water Filter questions

Answered from the same tracked data.