---
title: "Reviews — rückstauklappe dn 50 - Flapen"
canonical_url: "https://flapen.com/research/de/baumarkt/rueckstauklappe-dn-50/reviews"
last_updated: "2026-08-11T11:10:58.366Z"
locale: en
meta:
  description: "Niche score 59/100 · €25K/yr market · 30K 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 59/100 · €25K/yr market · 30K searches/yr. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Reviews — rückstauklappe dn 50 - Flapen"
---

# **rückstauklappe dn 50**

**Worth a look**

Shows low returns (1.0%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 6Growth 51Conversion 45Competition 59Returns 95Price range 87Avg price 95Brand share 82Review moat 88Quality gap 63

**Returns**

**Incredible****1.0%**

return rate — above 5% kills the launch gate

**Avg price**

**Incredible****€23.10**

avg listing price — sweet spot $15–$100

**Review moat**

**Great****246.15**

avg incumbent reviews — the moat a new listing must climb

**Price range**

**Great****€8.32–€75.09**

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

**Brand share**

**Great****53%**

top-5 brand share — no brand owns this niche

**Quality gap**

**Good****4.4★**

avg incumbent rating — lower means beatable quality

**Competition**

**Good****50%**

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

**Growth**

**Good****+21.8%**

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

**Conversion**

**Okay****3.6%**

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

**Market size**

**Bad****€25K**

€25K/yr · 30K searches

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

## Reviews