---
title: "Trend — pww50 spa filter - Flapen"
canonical_url: "https://flapen.com/research/us/patio-lawn-garden/pww50-spa-filter/trend"
last_updated: "2026-08-10T22:24:08.392Z"
locale: en
meta:
  description: "Niche score 52/100 · $57K/yr market · 10K searches/yr · $33.01 avg price. A small market ($57K/yr) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 52/100 · $57K/yr market · 10K searches/yr · $33.01 avg price. A small market ($57K/yr) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Trend — pww50 spa filter - Flapen"
---

# **pww50 spa filter**

**Worth a look**

Shows searches that convert (16.9% search→purchase), but a small market ($57K/yr) keeps it on the watch list.

Market size 14Growth 53Conversion 98Competition 25Returns 75Price range 95Avg price 95Brand share 54Review moat 81Quality gap 19

**Conversion**

**Incredible****16.9%**

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

**Avg price**

**Incredible****$33.01**

avg listing price — sweet spot $15–$100

**Price range**

**Incredible****$20.11–$53.37**

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

**Review moat**

**Great****383.29**

avg incumbent reviews — the moat a new listing must climb

**Returns**

**Good****2.0%**

return rate — above 5% kills the launch gate

**Brand share**

**Good****73%**

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

**Growth**

**Good****+24.4%**

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

**Competition**

**Okay****70%**

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

**Quality gap**

**Bad****4.7★**

avg incumbent rating — lower means beatable quality

**Market size**

**Bad****$57K**

$57K/yr · 10K searches

**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%") [** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500")

## Trend