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merv 8 filter 16x25x4

Skip it

A small market ($49K/yr) — this niche doesn't clear our bar today.

Market size 12Growth 52Conversion 83Competition 30Returns 95Price range 95Avg price 90Brand share 29Review moat 21Quality gap 33

Returns

Incredible0.9%

return rate — above 5% kills the launch gate

Price range

Incredible$21.85–$92.00

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

Avg price

Great$58.68

avg listing price — sweet spot $15–$100

Conversion

Great8.9%

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

Growth

Good+23.3%

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Competition

Okay67%

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

Brand share

Okay87%

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

Review moat

Bad12,154.44

avg incumbent reviews — the moat a new listing must climb

Market size

Bad$49K

$49K/yr · 9K searches

According to Flapen's Amazon United States niche tracking, merv 8 filter 16x25x4 is a $49K/yr Amazon United States market (9K searches/yr). The top 5 brands hold 87% of demand. Demand peaks in Jun–Jul. Verdict: Skip it — 49/100.

Data updated Jul 27, 2026 · scored weekly · How we score niches

merv 8 filter 16x25x4 market data

Units sold / yr
1K–1K
avg 0–100/product
Revenue / yr
$59K–$73K
units × avg price
Conversion rate
8.9%
Avg BSR
#143
Page quality
0%
Prime
56%
Sponsored
63%
Out of stock
0.0%
Avg brand age
66 months
Avg seller age
203 days

Competition & brand share

The top 5 products take 67% of clicks — established leaders, but buyers still shop beyond them.

Brands

10 rising

Sellers

24

Top-5 brand share

87%

Top 20: 100%

Top-5 click share

67%

Top 20: 100%

Open market

9%

  • Filterbuy43%
  • Filtrete19%
  • Simply16%
  • Honeywell Home5%
  • MANN+HUMMEL4%
  • AirPurete4%
  • Open — no brand owns it (4 brands, 9%)

Demand & seasonality

Weekly Amazon search volume, last 101 weeks — +23.3% search growth over the last 90 days.
350250Spike '24Spike '25Prime Day '25Holiday '25Spike '26Prime Day '26DecMarJunAugNovMarMay

Peak months: Jun, Jul · busiest ÷ quietest = 2.2×

Top merv 8 filter 16x25x4 products on Amazon

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

0%10%$5K20%$10K30%$15K40%$20K101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 16 tracked products in this niche — three views at once, no toggling.

What buyers say about merv 8 filter 16x25x4

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

What buyers love

Size-Overall21%

“Fit perfect”

Filtration20%

“Filters seem to work well”

Quality-Overall17%

“great quality construction”

Value For Money15%

“Good price”

Advertised Vs Actual Product8%

“Worked as advertised”

Durability3%

“They are durable”

Ease Of Use2%

“Very convenient”

Strength2%

“Sturdy and absorbs dust”

Assembly/Installation2%

“Easy install”

Efficiency1%

“they work great in my HVAC”

What buyers complain about

Size-Overall47%

“Too big”

Filtration14%

“Poor quality filter”

Advertised Vs Actual Product7%

“Blatant deceptive advertising”

Value For Money6%

“while its cheap”

Quality-Overall6%

“I guess thier quality control is off”

Compatibility-Overall2%

“Do not fit Honeywell”

Thickness2%

“Last year, I purchased these by the size, not the brand of furnace, and they were thicker than stated”

Ease Of Use2%

“then getting it out took quite a bit of effort”

Thin1%

“Noticeably thinner than 4inch”

Allergies1%

“As a year-around allergy sufferer”

Top return reasons

Size-Overall67%
Filtration16%
Compatibility-Overall7%
Value For Money3%
Advertised Vs Actual Product3%
Defective Material/Parts1%
Thickness1%
Functionality-Overall1%
Certifications1%
Product Condition0%

Common questions

Is merv 8 filter 16x25x4 profitable to sell on Amazon United States?
The niche generates $49K/yr across 16 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +23.3%. Flapen's verdict: Skip it (49/100).
How competitive is the merv 8 filter 16x25x4 niche?
10 brands and 24 sellers compete. The top 5 products take 67% of clicks and top 5 brands hold 87% of demand.
What do buyers complain about in merv 8 filter 16x25x4?
Top complaints mined from reviews: Size-Overall, Filtration, Advertised Vs Actual Product. The return rate is 0.9%.
When does demand for merv 8 filter 16x25x4 peak?
Demand peaks in Jun–Jul; the busiest month runs 2.2× the quietest.
What does it cost to enter the merv 8 filter 16x25x4 niche?
Listings span $21.85–$92.00; the average listing price is $58.68 (sweet spot $15–$100). The average incumbent carries 12,154 reviews — the moat a new listing must climb.