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Bath Filter

soft demand (-31.3% this quarter) — Bath Filter doesn't clear our bar today.

Flapen Score

44
Skip it
Market size 12Growth 9Conversion 54Competition 17Returns 90Price range 88Avg price 91Brand share 31Review moat 76Quality gap 76
This niche Category average

Is Bath Filter profitable on Amazon?

According to Flapen's Amazon United Kingdom niche tracking, Bath Filter is a £47K/yr Amazon United Kingdom market (49K searches/yr). The top 5 brands hold 86% of demand. Demand peaks in Jan–Feb–Apr. Verdict: Skip it — 44/100.

Bath Filter: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Not really. Search demand moved -31.3% over the last 90 days and 4.5% of searches end in a purchase.

£47K

revenue / yr

Units sold / yr3K
Search volume / yr-31.3%49K
Conversion rate4.5%
Avg price£21.29

Who owns the niche?

The top 5 brands hold 86% of demand, so 14% of the market is open.

14%

open market share

Brands · sellers10 · 64
Top-5 product click share79%
Open market14%
Avg brand age29 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.3★ — the gap to enter on.

0/100

page quality · 12 products

Sponsored placement92%
New entrants (1y)1· 0 succeeded
Avg rating4.3★
Avg reviews488

Top Bath Filter products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

Competition: brands, sellers & click share

The top 5 products capture 79% of clicks — a locked-up shelf that new listings rarely crack.

£0£5K£9K£14K£19K1101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

10 rising

Sellers

64

Top-5 brand share

86%

Top 20: 100%

Top-5 click share

79%

Top 20: 100%

Open market

10%

  • FEELSO36%
  • Santevia20%
  • MoKo16%
  • Tubo10%
  • Tylola4%
  • Zeldko4%
  • Open — no brand owns it (4 brands, 10%)

Bath Filter demand & seasonality

Weekly search volume, with the niche's key stats alongside.

Volume49KCVR4.5%Products12Brands10Top 5 Brands86%OOS Rate30.8%Rating4.3★Reviews488Avg BSR#40
2K1KSpike '25Prime Day '25Black Friday '25Spike '26FebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun

Peak months: Jan, Feb, Apr · busiest ÷ quietest = 2.0×

Top Bath Filter search terms shoppers use

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

  • bath filter21K/yr
  • bath water filter13K/yr
  • bath filter for baby5K/yr
  • bath tap filter6K/yr
  • tubo bath filter4K/yr

What reviews say buyers love and hate about Bath Filter

What buyers mention most, as a share of all reviews.

What buyers love

88% of reviews
Ease Of Use19%

Easy to use

Filtration17%

Nice to know we are filtering water for our baby to bath in

Quality-Overall13%

Very good quality

Efficiency12%

Believe it works and has helped

Advertised Vs Actual Product9%

Works well and as described

What buyers complain about

100% of reviews
Filtration22%

Honestly, its really hard to tell if this bath filter is actually doing anything to help our little ones eczema

Quality-Overall15%

Quality awful compared to the last one we bought unfortunately

Functionality-Overall15%

Dint work at all

Ease Of Use11%

It's a bit awkward to put on

Size-Overall11%

doesnt fit well

Bath Filter return rate & reasons

Why buyers send it back, as a share of all return requests.

1.2%

Return rate

33%

Fixable by listing

The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.

1Size-Overall
28%
2Filtration
16%
3Functionality-Overall
11%
4Compatibility-Overall
8%
5Add-Ons/Attachments
7%

Common Bath Filter questions

The questions sellers ask about this niche, answered from the tracked metrics.

Flapen scores Bath Filter 44/100 on Amazon United Kingdom — Skip it. The niche generates £47K/yr across 12 tracked products. 0 of 1 products launched in the last 360 days are still selling. Search demand moved -31.3% over the last 90 days.
Search demand for Bath Filter on Amazon United Kingdom peaks in Jan–Feb–Apr, where the busiest month runs 2.0× the quietest.