---
title: "16x25x4 Furnace Filter Merv 13 — $116K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/16x25x4-furnace-filter-merv-13"
last_updated: "2026-08-07T20:26:34.019Z"
locale: en
meta:
description: "Niche score 54/100 · $116K/yr market · 17K searches/yr. Brand-locked demand (top 5 brands take 92% of clicks) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 54/100 · $116K/yr market · 17K searches/yr. Brand-locked demand (top 5 brands take 92% of clicks) keeps it on the watch list. Data updated Jul 2026."
"og:title": "16x25x4 Furnace Filter Merv 13 — $116K/yr Amazon US Niche (2026) - Flapen"
---
# **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**
**Great****1.1%**
return rate — above 5% kills the launch gate
**Avg price**
**Great****$72.60**
avg listing price — sweet spot $15–$100
**Conversion**
**Great****9.3%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Great****4.3★**
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**
**Okay****3,720**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Okay****$116K**
$116K/yr · 17K searches
**Competition**
**Bad****75%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****92%**
top-5 brand share — brand-locked demand
**Signals**[** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")
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 ~~](https://flapen.com/research/methodology)
## **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 '26 seasonDecMarJunAugNovMarMay
Peak months: Jul · busiest ÷ quietest = 3.1×
[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/16x25x4-furnace-filter-merv-13/trend)
## **Top 16x25x4 furnace filter merv 13 search terms**
- **16x25x4 furnace filter merv 13**5K/yr+35.5%8.1% conv. - **merv 13 16x25x4**4K/yr+129.6%9.8% conv. - **16x25x4 merv 13**4K/yr+42.3%8.8% conv. - **16x25x4 air filter merv 13**4K/yr+28.4%9.6% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/16x25x4-furnace-filter-merv-13/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 moatMarket 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.
### **Top sellers**
by 90-day click share
[1**Filterbuy 16x25x4 Air Filter MERV 13 Optimal Smoke & Allergy Defense (2-Pack) Electrostatic Pleated HVAC AC Furnace Filters Replacement Made in USA (Actual Size: 15.50 x 24.50 x 3.63)**Filterbuy**$63.84**4.2★1,718 rev](https://www.amazon.com/dp/B00CK05NVY) [2**Filtrete 16x25x4 AC Furnace Air Filter MERV 13 MPR 1900 Premium Allergen Bacteria & Virus Filter Electrostatic Air Cleaning Filter 2-Pack (Actual Size 15.44 x 24.62 x 4.31 in)**Filtrete**$64.28**4.3★379 rev](https://www.amazon.com/dp/B0DCGPY1YK) [3**Filterbuy 16x25x4 Air Filter MERV 13 Optimal Smoke & Allergy Defense (4-Pack) Electrostatic Pleated HVAC AC Furnace Filters Replacement Made in USA (Actual Size: 15.50 x 24.50 x 3.63)**Filterbuy**$106.14**4.6★21,899 rev](https://www.amazon.com/dp/B00CJZ7TB2) [4**Filterbuy 16x25x4 Air Filter MERV 13 Optimal Smoke & Allergy Defense (6-Pack) Electrostatic Pleated HVAC AC Furnace Filters Replacement Made in USA (Actual Size: 15.50 x 24.50 x 3.63)**Filterbuy**$131.36**4.2★251 rev](https://www.amazon.com/dp/B00CK05MWO) [5**BNX TruFilter 16x25x4 (15.5 x 24.5 x 3.63 Slim Fit) MERV 13 Air Filter (2-Pack) - MADE IN USA - Air Conditioner HVAC AC Furnace Filters Health Allergies Mold Bacteria Smoke MPR 1900 FPR 10**BNX**$59.05**4.2★227 rev](https://www.amazon.com/dp/B0CCXKXXYF)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Filter King 16x25x4 Air Filter (MERV 13) (6-Pack) Dust & Allergy Control AC Furnace Filters MADE IN USA HVAC Pleated Electrostatic (Actual Size: 15.5 x 24.5 x 3.75)**Filter King**$116.02**159 rev1w ago](https://www.amazon.com/dp/B0GFCPJLHV) [**Filtrete 16x25x4 Air Filter Replaces AprilAire 413 Filters MERV 13 MPR 1900 Allergens Bacteria Viruses & Air Pollutants 12-Month AC/Furnace Filter Cleaner Air Reliable Airflow 2 HVAC Filters**Filtrete**$66.30**86 rev3mo ago](https://www.amazon.com/dp/B0GX7ZMW5C) [**2Pack 16x25x4 AC Furnace Air Filter Compatible with Honeywell FC100A1029 MERV 13 HVAC Filter Replacement (Actual Size:15.94 x 24.86 x4.38 inches)**Oleergl**$48.83**5 rev3mo ago](https://www.amazon.com/dp/B0G6ZHC3YY) [**Honeywell 16x25x4 in. HVAC Furnace Replacement Air Filter FC100A1029**GrairsdGan**$40.42**19 rev8mo ago](https://www.amazon.com/dp/B0FP98LYQS) [**DerBlue 2PACK 16x25x4 MERV 13 Furnace Filter Replacement Compatible with Honeywell FC100A1029 Pleated HVAC Foldable Design for Easy Installation & Space-Saving(Actual Size: 24.88 x 15.94 x 4.38 In)**DerBlue**$47.88**65 rev1y ago](https://www.amazon.com/dp/B0FJ57GNNT)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Filtrete 16x25x4 Air Filter Replaces AprilAire 413 Filters MERV 13 MPR 1900 Allergens Bacteria Viruses & Air Pollutants 12-Month AC/Furnace Filter Cleaner Air Reliable Airflow 2 HVAC Filters**Filtrete**$66.30**4.1★**▲ 208%**](https://www.amazon.com/dp/B0GX7ZMW5C) [**Filter King 16x25x4 Air Filter (MERV 13) (6-Pack) Dust & Allergy Control AC Furnace Filters MADE IN USA HVAC Pleated Electrostatic (Actual Size: 15.5 x 24.5 x 3.75)**Filter King**$116.02**4.6★**▲ 147%**](https://www.amazon.com/dp/B0GFCPJLHV) [**Honeywell 16x25x4 in. HVAC Furnace Replacement Air Filter FC100A1029**GrairsdGan**$40.42**4.0★**▲ 125%**](https://www.amazon.com/dp/B0FP98LYQS) [**2Pack 16x25x4 AC Furnace Air Filter Compatible with Honeywell FC100A1029 MERV 13 HVAC Filter Replacement (Actual Size:15.94 x 24.86 x4.38 inches)**Oleergl**$48.83**4.0★**▲ 117%**](https://www.amazon.com/dp/B0G6ZHC3YY) [**Filterbuy 16x25x4 Air Filter MERV 13 Optimal Smoke & Allergy Defense (4-Pack) Electrostatic Pleated HVAC AC Furnace Filters Replacement Made in USA (Actual Size: 15.50 x 24.50 x 3.63)**Filterbuy**$106.14**4.6★**▲ 43%**](https://www.amazon.com/dp/B00CJZ7TB2)
**~~View all trending →~~**
## **What buyers say about 16x25x4 furnace filter merv 13**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**31%
*“Fits great”*
**Filtration**15%
*“These are excellent filters at a great price”*
**Value For Money**13%
*“GREAT VALUE”*
**Advertised Vs Actual Product**7%
*“As described”*
**Quality-Overall**5%
*“are well made”*
**Efficiency**2%
*“Work great”*
**Maintenance And Repair**2%
*“Nitnis easy to know when to replace based on previous order”*
**Durability**2%
*“This is durable, good quality and replacement is easy to do”*
**Shape/Style**2%
*“New style”*
**Air Purification**2%
*“Good air filter”*
### **What buyers complain about **
**Size-Overall**40%
*“Significantly smaller”*
**Filtration**19%
*“Damaged filters”*
**Advertised Vs Actual Product**7%
*“Not as expected”*
**Thickness**5%
*“at least an inch too thin”*
**Value For Money**3%
*“Costly”*
**Quality-Overall**2%
*“Junk”*
**Compatibility-Overall**2%
*“Will not fit Honeywell”*
**Measurement/Reading Accuracy**2%
*“Measurements are Wrong”*
**Maintenance And Repair**2%
*“Should have been replaced a few months ago”*
**Product Condition**2%
*“New Old Stock”*
### **Top return reasons **
**Size-Overall**63%
**Filtration**18%
**Compatibility-Overall**6%
**Value For Money**3%
**Advertised Vs Actual Product**3%
**Product Condition**1%
**Water Resistance**1%
**Defective Material/Parts**1%
**Thickness**1%
**Assembly/Installation**1%
## **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.
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