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53

16x25x4 furnace filter merv 11

Worth a look

Shows low returns (0.9%), but strong incumbent ratings (4.7★) keeps it on the watch list.

Market size 69Growth 47Conversion 93Competition 30Returns 95Price range 59Avg price 86Brand share 22Review moat 22Quality gap 21

Returns

Incredible0.9%

return rate — above 5% kills the launch gate

Conversion

Great11.4%

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

Avg price

Great$68.89

avg listing price — sweet spot $15–$100

Market size

Good$701K

$701K/yr · 89K searches

Price range

Good$35.63–$144.45

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

Growth

Okay+17.8%

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

Competition

Okay67%

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

Brand share

Bad91%

top-5 brand share — brand-locked demand

Review moat

Bad8,844

avg incumbent reviews — the moat a new listing must climb

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

According to Flapen's Amazon United States niche tracking, 16x25x4 furnace filter merv 11 is a $701K/yr Amazon United States market (89K searches/yr). The top 5 brands hold 91% of demand. Demand peaks in Oct–Nov. Verdict: Worth a look — 53/100.

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

16x25x4 furnace filter merv 11 market data

Units sold / yr
10K–13K
avg 500–750/product
Revenue / yr
$689K–$861K
units × avg price
Conversion rate
11.4%
Avg BSR
#224
Page quality
0%
Prime
53%
Sponsored
60%
Out of stock
0.0%
Avg brand age
54 months
Avg seller age
173 days

Competition & brand share

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

Brands

8 falling

Sellers

56

Top-5 brand share

91%

Top 20: 100%

Top-5 click share

67%

Top 20: 100%

Open market

5%

  • Honeywell38%
  • Filtrete23%
  • Filterbuy13%
  • Honeywell Home13%
  • Henmfely4%
  • Wholesalehome4%
  • Open — no brand owns it (2 brands, 5%)

Demand & seasonality

Weekly Amazon search volume, last 101 weeks — +17.8% search growth over the last 90 days.
3K2KSpike '24Spike '25Prime Day '25Spike '26Prime Day '26DecMarJunAugNovMarMay

Peak months: Oct, Nov · busiest ÷ quietest = 3.6×

Top 16x25x4 furnace filter merv 11 search terms

  • honeywell 16x25x4 furnace filter16K/yr
  • 16x25x4 furnace filter merv 1111K/yr
  • honeywell filter 16x25x410K/yr
  • honeywell air filter 16x25x48K/yr
  • merv 11 16x25x46K/yr
  • honeywell home air filter 16x25x47K/yr
  • 16x25x4 merv 115K/yr
  • honeywell furnace filters 16x25x46K/yr
  • honeywell 16x25x45K/yr
  • 16x25x4 air filter merv 115K/yr
All search terms

Top 16x25x4 furnace filter merv 11 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%$70K20%$140K30%$210K40%$280K1101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 15 tracked products in this niche — three views at once, no toggling.

What buyers say about 16x25x4 furnace filter merv 11

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

What buyers love

Size-Overall23%

“The fit is snug”

Filtration23%

“The filter does a great job”

Quality-Overall15%

“Good quality”

Value For Money15%

“Good Price”

Advertised Vs Actual Product11%

“As advertised”

Assembly/Installation2%

“Easy install”

Compatibility-Overall1%

“Perfect fit for Honeywell”

Ease Of Use1%

“Very nice convenient”

Durability1%

“lasts a while”

Efficiency1%

“they work great in my HVAC”

What buyers complain about

Size-Overall53%

“DOES NOT FIT”

Filtration12%

“Filter didn't fit”

Advertised Vs Actual Product8%

“Size is misleading”

Quality-Overall5%

“Why such a poor quality control”

Value For Money4%

“They are pricey”

Measurement/Reading Accuracy3%

“Measurements are wrong”

Compatibility-Overall2%

“Do not fit Honeywell”

Thickness1%

“Not 4 thick”

Strength1%

“Also a bit flimsy”

Ease Of Use1%

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

Top return reasons

Size-Overall65%
Filtration18%
Compatibility-Overall7%
Value For Money3%
Advertised Vs Actual Product3%
Defective Material/Parts1%
Thickness1%
Functionality-Overall1%
Maintenance And Repair0%
Certifications0%

Common questions

Is 16x25x4 furnace filter merv 11 profitable to sell on Amazon United States?
The niche generates $701K/yr across 15 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is +17.8%. Flapen's verdict: Worth a look (53/100).
How competitive is the 16x25x4 furnace filter merv 11 niche?
8 brands and 56 sellers compete. The top 5 products take 67% of clicks and top 5 brands hold 91% of demand.
What do buyers complain about in 16x25x4 furnace filter merv 11?
Top complaints mined from reviews: Size-Overall, Filtration, Advertised Vs Actual Product. The return rate is 0.9%.
When does demand for 16x25x4 furnace filter merv 11 peak?
Demand peaks in Oct–Nov; the busiest month runs 3.6× the quietest.
What does it cost to enter the 16x25x4 furnace filter merv 11 niche?
Listings span $35.63–$144.45; the average listing price is $68.89 (sweet spot $15–$100). The average incumbent carries 8,844 reviews — the moat a new listing must climb.