---
title: "Products — ほこりとりフィルター 15cm - Flapen"
canonical_url: "https://flapen.com/research/jp/diy/15cm/products"
last_updated: "2026-08-08T08:44:52.371Z"
locale: en
meta:
  description: "Niche score 52/100 · ¥2.6M/yr market · 27K searches/yr. Pricing outside the sweet spot ($718.90 avg) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 52/100 · ¥2.6M/yr market · 27K searches/yr. Pricing outside the sweet spot ($718.90 avg) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Products — ほこりとりフィルター 15cm - Flapen"
---

# **ほこりとりフィルター 15cm**

**Worth a look**

Shows low returns (0.2%), but pricing outside the sweet spot ($718.90 avg) keeps it on the watch list.

Market size 96Growth 23Conversion 96Competition 18Returns 99Price range 0Avg price 0Brand share 14Review moat 90Quality gap 62

**Returns**

**Incredible****0.2%**

return rate — above 5% kills the launch gate

**Market size**

**Incredible****¥2.6M**

¥2.6M/yr · 27K searches

**Conversion**

**Incredible****13.4%**

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

**Review moat**

**Great****207.73**

avg incumbent reviews — the moat a new listing must climb

**Quality gap**

**Good****4.4★**

avg incumbent rating — lower means beatable quality

**Growth**

**Bad****-3.1%**

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

**Competition**

**Bad****78%**

top-5 click share — a locked-up shelf

**Brand share**

**Bad****94%**

top-5 brand share — brand-locked demand

**Avg price**

**Bad****¥718.90**

avg listing price — sweet spot $15–$100

**Price range**

**Bad****¥198.31–¥1424.47**

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

**Signals**[** High Price**](https://flapen.com/research/niches?market=jp&signal=high_price "Avg price > $50")

## Products