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x6673 lennox 20x25x5 merv 11 filter
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible1.0%return rate — above 5% kills the launch gate
Conversion
Great11.8%search→purchase rate — share of searches ending in a sale
Avg price
Great$93.46avg listing price — sweet spot $15–$100
Review moat
Good1,116.4avg incumbent reviews — the moat a new listing must climb
Market size
Good$417K$417K/yr · 38K searches
Growth
Good+29.6%90-day search growth — must beat 0% to launch
Price range
Okay$39.42–$210.17cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Competition
Bad85%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
Signals High Price