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humidifier filters
Worth a lookShows low returns (1.0%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Returns
Incredible1.0%return rate — above 6% kills the launch gate
Brand share
Great41%top-5 brand share — no brand owns this niche
Avg price
Great$20.68avg listing price — sweet spot $15–$100
Competition
Great30%top-5 click share — an open shelf
Conversion
Great8.7%search→purchase rate — share of searches ending in a sale
Price range
Great$5.99–$47.21cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Good$760K$760K/yr · 423K searches
Review moat
Okay2,674.11avg incumbent reviews — the moat a new listing must climb
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
Growth
Bad-69.3%90-day search growth — must beat 0% to launch