---
title: "Reviews — shark anti odour cartridge - Flapen"
canonical_url: "https://flapen.com/research/uk/diy-tools/shark-anti-odour-cartridge/reviews"
last_updated: "2026-07-31T16:29:06.889Z"
locale: en
meta:
  description: "Niche score 50/100 · £106K/yr market · 184K searches/yr · £8.67 avg price. Soft demand (-14.5% this quarter) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 50/100 · £106K/yr market · 184K searches/yr · £8.67 avg price. Soft demand (-14.5% this quarter) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Reviews — shark anti odour cartridge - Flapen"
---

# **shark anti odour cartridge**

**Worth a look**

Shows beatable incumbent ratings (3.3★), but soft demand (-14.5% this quarter) keeps it on the watch list.

Market size 26Growth 18Conversion 72Competition 34Returns 98Price range 19Avg price 24Brand share 48Review moat 95Quality gap 100

**Quality gap**

**Incredible****3.3★**

avg incumbent rating — lower means beatable quality

**Returns**

**Incredible****0.4%**

return rate — above 5% kills the launch gate

**Review moat**

**Great****107.54**

avg incumbent reviews — the moat a new listing must climb

**Conversion**

**Good****6.7%**

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

**Brand share**

**Okay****76%**

top-5 brand share — brands hold most of the demand

**Competition**

**Okay****65%**

top-5 click share — leaders hold, buyers still browse

**Market size**

**Okay****£106K**

£106K/yr · 184K searches

**Avg price**

**Bad****£8.67**

avg listing price — sweet spot $15–$100

**Price range**

**Bad****£6.49–£17.06**

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

**Growth**

**Bad****-14.5%**

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

**Signals**[** Quality Gap**](https://flapen.com/research/niches?market=uk&signal=quality_gap "Avg rating < 4.0") [** Out of Stock**](https://flapen.com/research/niches?market=uk&signal=out_of_stock "OOS rate > 10%")