44
washable cabin air filter
Skip itBrand-locked demand (top 5 brands take 97% of clicks) — this niche doesn't clear our bar today.
Avg price
Great$52.87avg listing price — sweet spot $15–$100
Competition
Great38%top-5 click share — an open shelf
Market size
Good$554K$554K/yr · 462K searches
Review moat
Okay1,743.04avg incumbent reviews — the moat a new listing must climb
Returns
Okay3.4%return rate — above 5% kills the launch gate
Growth
Okay+4.0%90-day search growth — must beat 0% to launch
Conversion
Okay2.3%search→purchase rate — share of searches ending in a sale
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
Price range
Bad$12.42–$372.02cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Bad97%top-5 brand share — brand-locked demand
Signals High Price