---
title: "Reviews — pentair pool filter replacement parts - Flapen"
canonical_url: "https://flapen.com/research/us/patio-lawn-garden/pentair-pool-filter-replacement-parts/reviews"
last_updated: "2026-08-11T00:24:53.975Z"
locale: en
meta:
  description: "Niche score 60/100 · $362K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 60/100 · $362K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Reviews — pentair pool filter replacement parts - Flapen"
---

# **pentair pool filter replacement parts**

**Worth a look**

Shows a thin review moat (311 avg reviews), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 54Growth 60Conversion 47Competition 61Returns 66Price range 6Avg price 65Brand share 81Review moat 84Quality gap 68

**Review moat**

**Great****311.19**

avg incumbent reviews — the moat a new listing must climb

**Brand share**

**Great****54%**

top-5 brand share — no brand owns this niche

**Quality gap**

**Good****4.3★**

avg incumbent rating — lower means beatable quality

**Returns**

**Good****2.4%**

return rate — above 5% kills the launch gate

**Avg price**

**Good****$128.80**

avg listing price — sweet spot $15–$100

**Competition**

**Good****48%**

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

**Growth**

**Good****+36.0%**

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

**Market size**

**Good****$362K**

$362K/yr · 74K searches

**Conversion**

**Okay****3.8%**

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

**Price range**

**Bad****$5.51–$1524.80**

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

**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%") [** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")

## Reviews