---
title: "Trend — aqueon replacement filter cartridges large - Flapen"
canonical_url: "https://flapen.com/research/us/pet-supplies/aqueon-replacement-filter-cartridges-large/trend"
last_updated: "2026-07-21T21:45:46.816Z"
locale: en
meta:
  description: "Niche score 49/100 · $318K/yr market · 122K searches/yr · $21.23 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 49/100 · $318K/yr market · 122K searches/yr · $21.23 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Trend — aqueon replacement filter cartridges large - Flapen"
---

# **aqueon replacement filter cartridges large**

**Skip it**

Brand-locked demand (top 5 brands take 95% of clicks) — this niche doesn't clear our bar today.

Market size 52Growth 23Conversion 95Competition 37Returns 96Price range 75Avg price 91Brand share 13Review moat 24Quality gap 21

**Returns**

**Incredible****0.8%**

return rate — above 6% kills the launch gate

**Conversion**

**Incredible****12.3%**

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

**Avg price**

**Great****$21.23**

avg listing price — sweet spot $15–$100

**Price range**

**Great****$6.38–$41.65**

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

**Market size**

**Good****$318K**

$318K/yr · 122K searches

**Competition**

**Okay****63%**

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

**Review moat**

**Bad****6,283.95**

avg incumbent reviews — the moat a new listing must climb

**Growth**

**Bad****-4.8%**

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

**Quality gap**

**Bad****4.7★**

avg incumbent rating — lower means beatable quality

**Brand share**

**Bad****95%**

top-5 brand share — brand-locked demand