50
aprilaire 501 replacement filter
Worth a lookShows searches that convert (14.3% search→purchase), but a concentrated shelf (top 5 take 88% of clicks) keeps it on the watch list.
Conversion
Incredible14.3%search→purchase rate — share of searches ending in a sale
Returns
Great1.3%return rate — above 5% kills the launch gate
Avg price
Great$62.94avg listing price — sweet spot $15–$100
Review moat
Great370.75avg incumbent reviews — the moat a new listing must climb
Price range
Great$45.92–$116.91cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Good+34.1%90-day search growth — must beat 0% to launch
Market size
Okay$148K$148K/yr · 16K searches
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
Brand share
Bad93%top-5 brand share — brand-locked demand
Competition
Bad88%top-5 click share — a locked-up shelf
Signals High Price