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3 inch vent cover

Skip it47/100

a small market ($51K/yr) — 3 inch vent cover doesn't clear our bar today.

Market/yr

$51K

Growth (1y)

+192.3%

Products

34

Brands

15

was 25 a year ago

Sellers

47

Price range

$7.68–$38.33

Returns

5.2%

Rating

4.5★

47/100

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Scored 47/100 across market size, growth, competition, quality gap, and returns.

Market sizeGrowthCompetitionQuality gapReturns
Market size
3
×0.30
Growth
76
×0.30
Competition
68
×0.20
Quality gap
38
×0.10
Returns
58
×0.10

Demand

Weekly Amazon search volume, last 32 weeks — +192.3% year over year.
2K762.5Spike '26Nov '25Dec '25Feb '26Mar '26Apr '26May '26

Competition

21%Lambro
  • Lambro21%
  • JYINCPED18%
  • HG Power10%
  • PIIYOOSNN10%
  • Hon&Guan9%
  • JSP Manufacturing9%
  • Other (9 brands)24%

The top 5 products take 43% of clicks — established leaders, but buyers still shop beyond them. 15 brands and 47 sellers compete here.

Brands

15 falling

was 25 a year ago

Sellers

47

Top 5 brand share

67%

#ProductBrandPriceRatingReviewsClick shareTrend
1Lambro$8.484.3★1,18017%rising

Product shelf

All 34 tracked products in this niche.

Reviews

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

What buyers love

Quality-Overall22%

“Good quality, easy to install”

Assembly/Installation15%

“Ease of installation”

Size-Overall12%

“Fits perfectly”

Advertised Vs Actual Product10%

“As described”

Value For Money5%

“Good product for the price”

Strength5%

“It feels sturdy”

Durability5%

“Good value and seem to be a durable”

Material Quality3%

“The plastic cover feels nice & study & open enough to let the air flow”

Design-Overall3%

“Looks and works great”

Paint Quality2%

“Seems well made with nice black paint job”

What buyers complain about

Size-Overall40%

“do NOT fit”

Advertised Vs Actual Product8%

“Item image does not reflect reality”

Functionality-Overall8%

“Did not work for me”

Quality-Overall7%

“not well-made”

Assembly/Installation6%

“When we tried to install the they didn't fit”

Material Quality5%

“POS plastic junk”

Spray/Flow4%

“Highly restrictive to air flow”

Thickness2%

“Pretty thin metal”

Weight Heavy2%

“Not the heavy metallic ones I normally. HVAC fire rated.”

Mounting1%

“What I received was bigger. referring to the mounting plate”

Top return reasons

  • Size-Overall74%
  • Advertised Vs Actual Product7%
  • Functionality-Overall4%
  • Compatibility-Overall3%
  • Defective Material/Parts3%
  • Material Quality2%
  • Color1%
  • Value For Money1%
  • Quality-Overall1%
  • Connectivity-Overall1%

Data scraped July 5, 2026 · Marketplace baseline: 4.4★ avg rating · $22.74 median price · 2.2% median returns across 13,649 tracked niches.