air filter cover
Skip itBrand-locked demand (top 5 brands take 97% of clicks) — this niche doesn't clear our bar today.
Review moat
Good816.38avg incumbent reviews — the moat a new listing must climb
Returns
Good2.5%return rate — above 6% kills the launch gate
Avg price
Good$13.45avg listing price — sweet spot $15–$100
Conversion
Good5.3%search→purchase rate — share of searches ending in a sale
Price range
Good$5.21–$29.44cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Market size
Bad$63K$63K/yr · 88K searches
Growth
Bad-28.4%90-day search growth — must beat 0% to launch
Competition
Bad90%top-5 click share — a locked-up shelf
Brand share
Bad97%top-5 brand share — brand-locked demand
Competition
The top 5 products capture 90% of clicks — a locked-up shelf that new listings rarely crack.Brands
6 falling
Sellers
42
Top-5 brand share
97%
Open market
0%
- AllergyZone51%
- TCMI18%
- RIAYOOE12%
- YYMOTO11%
- K&N6%
- AEM3%
Product shelf
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 8 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
AllergyZone FilterLock Furnace Filter Slot Seal Magnetic Seal Cover for Any 1 Furnace Filter Up To 25 Long Reduce HVAC Air Leaks Green
AllergyZone$12.274.4★3,202 rev
TCMI Air Filter Cover for Car Cold Air Intake Filter Cover Wrap Dustproof Air Intake Filter Sock Cover for Harley Touring Universal for High Flow Air Intake Filters (S)
TCMI$5.214.4★810 rev
Car Cone Performance Air Filter Cover Sock Thicker Version Dust-proof Water-proof Protection Cover Universal for High Flow Cold Air Intake Filter
RIAYOOE$13.164.4★532 rev
YYMOTO Air Intake Filter Sock Cover Air Cleaner Protective Cover Motorcycle Waterproof Air Filter Rain Sock Dustproof Protective Cover Fit for Harley (Size L) Black#L
YYMOTO$7.154.5★271 rev
K&N RF-1042DK Black Drycharger Filter Wrap - For Your K&N RF-1042 Filter
K&N$23.284.7★1,138 rev
Newest
by launch dateTCMI Air Filter Cover for Car Cold Air Intake Filter Cover Wrap Dustproof Air Intake Filter Sock Cover for Harley Touring Universal for High Flow Air Intake Filters (S)
TCMI$5.21810 rev
TCMI Air Filter Cover for Car Cold Air Intake Filter Cover Wrap Dustproof Air Intake Filter Sock Cover for Harley Touring Universal for High Flow Air Intake Filters (2 X S)
TCMI$8.148 rev
YYMOTO Air Intake Filter Sock Cover Air Cleaner Protective Cover Motorcycle Waterproof Air Filter Rain Sock Dustproof Protective Cover Fit for Harley (Size L) Black#L
YYMOTO$7.15271 rev
YYMOTO Air Filter Cleaner Kits Motorcycle Waterproof Air Filter Rain Sock Dustproof Protective Cover Fits for Harley (Size S) Black#S
YYMOTO$8.97323 rev
Car Cone Performance Air Filter Cover Sock Thicker Version Dust-proof Water-proof Protection Cover Universal for High Flow Cold Air Intake Filter
RIAYOOE$13.16532 rev
Trending
90-day click momentumTCMI Air Filter Cover for Car Cold Air Intake Filter Cover Wrap Dustproof Air Intake Filter Sock Cover for Harley Touring Universal for High Flow Air Intake Filters (2 X S)
TCMI$8.145.0★
YYMOTO Air Intake Filter Sock Cover Air Cleaner Protective Cover Motorcycle Waterproof Air Filter Rain Sock Dustproof Protective Cover Fit for Harley (Size L) Black#L
YYMOTO$7.154.5★
AEM 1-4001 Dry Flow Air Filter Wrap
AEM$29.444.8★
TCMI Air Filter Cover for Car Cold Air Intake Filter Cover Wrap Dustproof Air Intake Filter Sock Cover for Harley Touring Universal for High Flow Air Intake Filters (S)
TCMI$5.214.4★
Car Cone Performance Air Filter Cover Sock Thicker Version Dust-proof Water-proof Protection Cover Universal for High Flow Cold Air Intake Filter
RIAYOOE$13.164.4★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -28.4% search growth over the last 90 days.Peak months: Jan · busiest ÷ quietest = 1.5×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Good filters”
“Fit perfect”
“As advertised”
“Covers very well”
“Great investment”
“Works very well”
“seems like it will repel water well”
“Easy”
“Installation was a breeze”
“I guess it works, cant tell, my car dont get dirty”
What buyers complain about
“Too small”
“Weak and flimsy magnet”
“Unfortunately its water resistant”
“For $13.00 this company would rather have a poor product review than a happy customer”
“Maybe a bit too thin”
“you could feel unfiltered basement air being sucked in the gaps”
“Fake advertisement, water goes through like its not there”
“The material flimsy”
“Weak and flimsy magnet”
“Far too expensive for what it is”