Skip to content
54

16x25x4 furnace filter merv 13

Worth a look

Shows low returns (1.1%), but brand-locked demand (top 5 brands take 92% of clicks) keeps it on the watch list.

Market size 27Growth 71Conversion 84Competition 21Returns 93Price range 66Avg price 85Brand share 20Review moat 28Quality gap 76

Returns

Great1.1%

return rate — above 5% kills the launch gate

Avg price

Great$72.60

avg listing price — sweet spot $15–$100

Conversion

Great9.3%

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

Quality gap

Great4.3★

avg incumbent rating — lower means beatable quality

Growth

Good+54.2%

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

Price range

Good$40.42–$131.36

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

Review moat

Okay3,720

avg incumbent reviews — the moat a new listing must climb

Market size

Okay$116K

$116K/yr · 17K searches

Competition

Bad75%

top-5 click share — a locked-up shelf

Brand share

Bad92%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, 16x25x4 furnace filter merv 13 is a $116K/yr Amazon United States market (17K searches/yr). The top 5 brands hold 92% of demand. Demand peaks in Jul. Verdict: Worth a look — 54/100.

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

16x25x4 furnace filter merv 13 market data

Units sold / yr
2K–2K
avg 100–250/product
Revenue / yr
$109K–$145K
units × avg price
Conversion rate
9.3%
Avg BSR
#339
Page quality
0%
Prime
73%
Sponsored
87%
Out of stock
1.1%
Avg brand age
52 months
Avg seller age
172 days

Competition & brand share

The top 5 products capture 75% of clicks — a locked-up shelf that new listings rarely crack.

Brands

11 rising

Sellers

40

Top-5 brand share

92%

Top 20: 100%

Top-5 click share

75%

Top 20: 100%

Open market

8%

  • Filterbuy48%
  • Filtrete29%
  • BNX7%
  • DerBlue3%
  • Aprilaire3%
  • GrairsdGan3%
  • Open — no brand owns it (5 brands, 8%)

Demand & seasonality

Weekly Amazon search volume, last 102 weeks — +54.2% search growth over the last 90 days.
2K2KSpike '24Holiday '24Spike '25Prime Day '25Spike '26DecMarJunAugNovMarMay

Peak months: Jul · busiest ÷ quietest = 3.1×

Top 16x25x4 furnace filter merv 13 search terms

  • 16x25x4 furnace filter merv 135K/yr
  • merv 13 16x25x44K/yr
  • 16x25x4 merv 134K/yr
  • 16x25x4 air filter merv 134K/yr
All search terms

Top 16x25x4 furnace filter merv 13 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%$12K20%$23K30%$35K40%$47K1101001K10K100K 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 13

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

What buyers love

Size-Overall31%

“Fits great”

Filtration15%

“These are excellent filters at a great price”

Value For Money13%

“GREAT VALUE”

Advertised Vs Actual Product7%

“As described”

Quality-Overall5%

“are well made”

Efficiency2%

“Work great”

Maintenance And Repair2%

“Nitnis easy to know when to replace based on previous order”

Durability2%

“This is durable, good quality and replacement is easy to do”

Shape/Style2%

“New style”

Air Purification2%

“Good air filter”

What buyers complain about

Size-Overall40%

“Significantly smaller”

Filtration19%

“Damaged filters”

Advertised Vs Actual Product7%

“Not as expected”

Thickness5%

“at least an inch too thin”

Value For Money3%

“Costly”

Quality-Overall2%

“Junk”

Compatibility-Overall2%

“Will not fit Honeywell”

Measurement/Reading Accuracy2%

“Measurements are Wrong”

Maintenance And Repair2%

“Should have been replaced a few months ago”

Product Condition2%

“New Old Stock”

Top return reasons

Size-Overall63%
Filtration18%
Compatibility-Overall6%
Value For Money3%
Advertised Vs Actual Product3%
Product Condition1%
Water Resistance1%
Defective Material/Parts1%
Thickness1%
Assembly/Installation1%

Common questions

Is 16x25x4 furnace filter merv 13 profitable to sell on Amazon United States?
The niche generates $116K/yr across 15 tracked products. 1 of 4 products launched in the last 360 days are still selling. 90-day search growth is +54.2%. Flapen's verdict: Worth a look (54/100).
How competitive is the 16x25x4 furnace filter merv 13 niche?
11 brands and 40 sellers compete. The top 5 products take 75% of clicks and top 5 brands hold 92% of demand.
What do buyers complain about in 16x25x4 furnace filter merv 13?
Top complaints mined from reviews: Size-Overall, Filtration, Advertised Vs Actual Product. The return rate is 1.1%.
When does demand for 16x25x4 furnace filter merv 13 peak?
Demand peaks in Jul; the busiest month runs 3.1× the quietest.
What does it cost to enter the 16x25x4 furnace filter merv 13 niche?
Listings span $40.42–$131.36; the average listing price is $72.60 (sweet spot $15–$100). The average incumbent carries 3,720 reviews — the moat a new listing must climb.