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56

cf10134

Worth a look

Shows low returns (1.4%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 33Growth 77Conversion 84Competition 51Returns 87Price range 65Avg price 78Brand share 47Review moat 25Quality gap 20

Returns

Great1.4%

return rate — above 6% kills the launch gate

Conversion

Great9.2%

search→purchase rate — share of searches ending in a sale

Avg price

Great$16.17

avg listing price — sweet spot $15–$100

Growth

Great+65.0%

90-day search growth — must beat 0% to launch

Price range

Good$7.36–$28.94

cheapest to priciest tracked listing — scored on the share inside $15–$100

Competition

Good55%

top-5 click share — leaders hold, buyers still browse

Brand share

Okay77%

top-5 brand share — brands hold most of the demand

Market size

Okay$158K

$158K/yr · 106K searches

Review moat

Bad4,758.33

avg incumbent reviews — the moat a new listing must climb

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

Competition

The top 5 products take 55% of clicks — established leaders, but buyers still shop beyond them.

Brands

16 rising

Sellers

57

Top-5 brand share

77%

Open market

19%

  • Purolator23%
  • EPAuto21%
  • Bosch16%
  • Puroma11%
  • Carory6%
  • ITESIER4%

Product shelf

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%5%$8K10%$16K15%$24K20%$32K101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 30 tracked products in this niche — three views at once, no toggling.

Demand

Weekly Amazon search volume, last 44 weeks — +65.0% search growth over the last 90 days.
3K2KHoliday '25Spike '26Sep '25Oct '25Dec '25Feb '26Mar '26May '26

Reviews

What buyers praise and complain about, mined from review topics.

What buyers love

Size-Overall34%

“Fit like a glove”

Quality-Overall15%

“Best quality”

Filtration11%

“This air filter is great”

Value For Money11%

“Excellent Value”

Assembly/Installation8%

“I managed to install it very quickly”

Advertised Vs Actual Product5%

“As advertised”

Ease Of Use3%

“Easy”

Smell2%

“No funky smells anymore”

Efficiency2%

“It fulfills its function”

Strength1%

“The build quality feels sturdy”

What buyers complain about

Compatibility-Overall26%

“Compatible model numbers are confusing”

Size-Overall24%

“DOES NOT FIT”

Filtration7%

“No air flow indicator on filter”

Quality-Overall5%

“Bad Quality control”

Smell4%

“My air was smelling old”

Value For Money3%

“WASTE OF MONEY”

Advertised Vs Actual Product3%

“Lying advertising”

Thickness2%

“the rubber edge is way too thick”

Assembly/Installation2%

“Fram needs to fix the assembly”

Ease Of Use2%

“It didnt know it was that easy”

Top return reasons

Size-Overall59%
Compatibility-Overall24%
Filtration7%
Advertised Vs Actual Product3%
Value For Money2%
Defective Material/Parts1%
Product Condition1%
Quality-Overall1%
Functionality-Overall1%
Assembly/Installation1%