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48

cone air filter

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High returns (5.4%) — this niche doesn't clear our bar today.

Market size 24Growth 31Conversion 41Competition 81Returns 23Price range 92Avg price 95Brand share 43Review moat 72Quality gap 43

Avg price

Incredible$29.56

avg listing price — sweet spot $15–$100

Price range

Great$12.42–$72.15

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

Competition

Great34%

top-5 click share — an open shelf

Review moat

Good630.85

avg incumbent reviews — the moat a new listing must climb

Brand share

Okay79%

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Conversion

Okay3.3%

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

Growth

Okay+4.9%

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

Market size

Bad$97K

$97K/yr · 100K searches

Returns

Bad5.4%

return rate — above 5% kills the launch gate

Search terms