55
water filter for sink
Worth a lookShows a $2.6M/yr market, but a deep review moat (8,921 avg reviews) keeps it on the watch list.
Market size
Incredible$2.6M$2.6M/yr · 2.1M searches
Avg price
Incredible$35.70avg listing price — sweet spot $15–$100
Price range
Great$6.43–$95.30cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Good4.3★avg incumbent rating — lower means beatable quality
Competition
Okay57%top-5 click share — leaders hold, buyers still browse
Conversion
Okay3.5%search→purchase rate — share of searches ending in a sale
Growth
Okay+11.3%90-day search growth — must beat 0% to launch
Returns
Okay4.4%return rate — above 5% kills the launch gate
Brand share
Okay88%top-5 brand share — brands hold most of the demand
Review moat
Bad8,920.83avg incumbent reviews — the moat a new listing must climb