---
title: "Trend — kinder filter for bathtub - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/kinder-filter-for-bathtub/trend"
last_updated: "2026-08-09T12:41:16.673Z"
locale: en
meta:
  description: "Niche score 36/100 · $54K/yr market · 44K searches/yr · $34.78 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 36/100 · $54K/yr market · 44K searches/yr · $34.78 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Trend — kinder filter for bathtub - Flapen"
---

# **kinder filter for bathtub**

**Skip it**

Soft demand (-54.0% this quarter) — this niche doesn't clear our bar today.

Market size 14Growth 0Conversion 45Competition 7Returns 43Price range 95Avg price 95Brand share 20Review moat 73Quality gap 88

**Avg price**

**Incredible****$34.78**

avg listing price — sweet spot $15–$100

**Price range**

**Incredible****$20.70–$61.61**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Quality gap**

**Great****4.1★**

avg incumbent rating — lower means beatable quality

**Review moat**

**Good****597.29**

avg incumbent reviews — the moat a new listing must climb

**Conversion**

**Okay****3.6%**

search→purchase rate — share of searches ending in a sale

**Returns**

**Okay****3.5%**

return rate — above 5% kills the launch gate

**Brand share**

**Bad****92%**

top-5 brand share — brand-locked demand

**Market size**

**Bad****$54K**

$54K/yr · 44K searches

**Competition**

**Bad****92%**

top-5 click share — a locked-up shelf

**Growth**

**Bad****-54.0%**

90-day search growth — must beat 0% to launch

**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500")

## Trend