---
title: "Trend — anti siphon valve - Flapen"
canonical_url: "https://flapen.com/research/us/patio-lawn-garden/anti-siphon-valve/trend"
last_updated: "2026-08-09T05:34:25.227Z"
locale: en
meta:
  description: "Niche score 58/100 · $44K/yr market · 46K searches/yr. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 58/100 · $44K/yr market · 46K searches/yr. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Trend — anti siphon valve - Flapen"
---

# **anti siphon valve**

**Worth a look**

Shows a sweet-spot price point ($19.88 avg), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 11Growth 80Conversion 57Competition 44Returns 64Price range 85Avg price 87Brand share 60Review moat 72Quality gap 76

**Avg price**

**Great****$19.88**

avg listing price — sweet spot $15–$100

**Price range**

**Great****$5.65–$79.61**

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

**Growth**

**Great****+73.4%**

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

**Quality gap**

**Great****4.3★**

avg incumbent rating — lower means beatable quality

**Review moat**

**Good****612.14**

avg incumbent reviews — the moat a new listing must climb

**Returns**

**Good****2.4%**

return rate — above 5% kills the launch gate

**Brand share**

**Good****69%**

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

**Conversion**

**Good****4.8%**

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

**Competition**

**Okay****59%**

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

**Market size**

**Bad****$44K**

$44K/yr · 46K searches

## Trend