---
title: "Products — broan 678 replacement parts - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/broan-678-replacement-parts/products"
last_updated: "2026-08-08T19:13:45.810Z"
locale: en
meta:
  description: "Niche score 42/100 · $45K/yr market · 11K searches/yr · $50.54 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 42/100 · $45K/yr market · 11K searches/yr · $50.54 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Products — broan 678 replacement parts - Flapen"
---

# **broan 678 replacement parts**

**Skip it**

A concentrated shelf (top 5 take 88% of clicks) — this niche doesn't clear our bar today.

Market size 11Growth 49Conversion 80Competition 10Returns 23Price range 95Avg price 93Brand share 19Review moat 98Quality gap 50

**Review moat**

**Incredible****41.75**

avg incumbent reviews — the moat a new listing must climb

**Price range**

**Incredible****$40.25–$83.01**

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

**Avg price**

**Great****$50.54**

avg listing price — sweet spot $15–$100

**Conversion**

**Great****8.2%**

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

**Quality gap**

**Good****4.5★**

avg incumbent rating — lower means beatable quality

**Growth**

**Okay****+19.4%**

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

**Returns**

**Bad****5.6%**

return rate — above 5% kills the launch gate

**Brand share**

**Bad****92%**

top-5 brand share — brand-locked demand

**Market size**

**Bad****$45K**

$45K/yr · 11K searches

**Competition**

**Bad****88%**

top-5 click share — a locked-up shelf

**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500") [** High Returns**](https://flapen.com/research/niches?market=us&signal=high_returns "Return rate > 5%") [** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")

## Products