51
water filter
Worth a lookShows beatable incumbent ratings (4.3★), but prices mostly outside the sweet spot ($28.78–$2849.38) keeps it on the watch list.
Quality gap
Great4.3★avg incumbent rating — lower means beatable quality
Brand share
Great59%top-5 brand share — no brand owns this niche
Competition
Great40%top-5 click share — an open shelf
Market size
Good$745K$745K/yr · 217K searches
Returns
Good2.5%return rate — above 5% kills the launch gate
Review moat
Okay1,876.55avg incumbent reviews — the moat a new listing must climb
Avg price
Bad$360.77avg listing price — sweet spot $15–$100
Growth
Bad-11.5%90-day search growth — must beat 0% to launch
Conversion
Bad0.9%search→purchase rate — share of searches ending in a sale
Price range
Bad$28.78–$2849.38cheapest to priciest tracked listing — scored on the share inside $15–$100
Signals High Price