---
title: "16x25x4 Furnace Filter Merv 11 — $701K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/16x25x4-furnace-filter-merv-11"
last_updated: "2026-08-07T18:54:18.246Z"
locale: en
meta:
description: "Niche score 53/100 · $701K/yr market · 89K searches/yr · $68.89 avg price. Strong incumbent ratings (4.7★) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 53/100 · $701K/yr market · 89K searches/yr · $68.89 avg price. Strong incumbent ratings (4.7★) keeps it on the watch list. Data updated Jul 2026."
"og:title": "16x25x4 Furnace Filter Merv 11 — $701K/yr Amazon US Niche (2026) - Flapen"
---
# **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**
**Incredible****0.9%**
return rate — above 5% kills the launch gate
**Conversion**
**Great****11.4%**
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**
**Okay****67%**
top-5 click share — leaders hold, buyers still browse
**Brand share**
**Bad****91%**
top-5 brand share — brand-locked demand
**Review moat**
**Bad****8,844**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**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 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 ~~](https://flapen.com/research/methodology)
## **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 '26 seasonDecMarJunAugNovMarMay
Peak months: Oct, Nov · busiest ÷ quietest = 3.6×
[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/16x25x4-furnace-filter-merv-11/trend)
## **Top 16x25x4 furnace filter merv 11 search terms**
- **honeywell 16x25x4 furnace filter**16K/yr+23.3%9.6% conv. - **16x25x4 furnace filter merv 11**11K/yr+41.9%6.5% conv. - **honeywell filter 16x25x4**10K/yr+33.5%13.0% conv. - **honeywell air filter 16x25x4**8K/yr+31.1%12.9% conv. - **merv 11 16x25x4**6K/yr+14.8%10.9% conv. - **honeywell home air filter 16x25x4**7K/yr-0.9%17.4% conv. - **16x25x4 merv 11**5K/yr+32.4%11.8% conv. - **honeywell furnace filters 16x25x4**6K/yr-22.8%12.2% conv. - **honeywell 16x25x4**5K/yr+9.6%13.3% conv. - **16x25x4 air filter merv 11**5K/yr+41.7%15.0% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/16x25x4-furnace-filter-merv-11/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 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**Honeywell FC100A1029 (2 Pack) - 16 x 25 x 4 Pleated Air Filter MERV 11 Bundle with Same Day Supply Filter Change Reminder**Honeywell**$65.96**4.8★385 rev](https://www.amazon.com/dp/B0D68B7LYS) [2**Filtrete 16x25x4 Air Filter MERV 11 MPR 1000 Micro Allergen Defense 4-Pack Fits Lennox & Honeywell AC Furnace HVAC Filters for Home Pleated Electrostatic (Actual Size 15.88 x 24.56 x 4.31 in)**Filtrete**$71.56**4.6★4,889 rev](https://www.amazon.com/dp/B01N5GYRTF) [3**Filtrete 16x25x4 Air Filter MERV 11 MPR 1000 Micro Allergen Defense 2-Pack Fits Lennox & Honeywell AC Furnace HVAC Filters for Home Pleated Electrostatic (Actual Size 15.88x24.56x4.31 in)**Filtrete**$43.58**4.6★1,839 rev](https://www.amazon.com/dp/B09RQCMR5V) [4**Filterbuy 16x25x4 Air Filter MERV 11 Superior Pet & 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**$69.16**4.6★23,863 rev](https://www.amazon.com/dp/B00CJZ5SEW) [5**Honeywell FC100A1029 16 x 25 x 4 Media Air Filter (MERV 11)**Honeywell Home**$35.63**4.7★3,434 rev](https://www.amazon.com/dp/B003IGNRPI)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**16x25x4 Air Filter Replacement MERV 11 FC100A1029 Pleated HVAC AC Furnace Filters with Wholesalehome Cleaning Cloth 5-Pack (Actual Size: 15.94 x 24.86 x 4.38 Inches)**Wholesalehome**$141.44**26 rev8mo ago](https://www.amazon.com/dp/B0G3QX3RBV) [**2 Pack 16x25x4 Pleated Furnace Filter - Replacement for Honeywell FC100A1029 Foldable Design Actual Size 15.94 x 24.86 x 4.38 Inches**Henmfely**$52.14**3 rev8mo ago](https://www.amazon.com/dp/B0GL8NVHCR) [**BETTFILTER 16x25x4 AC Furnace Air Filter Compatible with Honeywell FC100A1029 MERV 11 HAVC Filter Replacement Actual Size:15.94x24.86x4.38 Pack of 2**BETTFILTER**$51.10**55 rev1y ago](https://www.amazon.com/dp/B0FNQ2G9WY) [**Honeywell FC100A1029 (2 Pack) - 16 x 25 x 4 Pleated Air Filter MERV 11 Bundle with Same Day Supply Filter Change Reminder**Honeywell**$65.96**385 rev2y ago](https://www.amazon.com/dp/B0D68B7LYS) [**Honeywell FC100A1029 (5 Pack) - 16 x 25 x 4 Pleated Air Filter MERV 11 Bundle with Same Day Supply Filter Change Reminder**Honeywell**$144.45**385 rev2y ago](https://www.amazon.com/dp/B0D68JYYSR)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**16x25x4 Air Filter Replacement MERV 11 FC100A1029 Pleated HVAC AC Furnace Filters with Wholesalehome Cleaning Cloth 5-Pack (Actual Size: 15.94 x 24.86 x 4.38 Inches)**Wholesalehome**$141.44**4.9★**▲ 222%**](https://www.amazon.com/dp/B0G3QX3RBV) [**2 Pack 16x25x4 Pleated Furnace Filter - Replacement for Honeywell FC100A1029 Foldable Design Actual Size 15.94 x 24.86 x 4.38 Inches**Henmfely**$52.14**4.6★**▲ 183%**](https://www.amazon.com/dp/B0GL8NVHCR) [**Filtrete 16x25x4 Air Filter MERV 11 MPR 1000 Micro Allergen Defense 4-Pack Fits Lennox & Honeywell AC Furnace HVAC Filters for Home Pleated Electrostatic (Actual Size 15.88 x 24.56 x 4.31 in)**Filtrete**$71.56**4.6★**▲ 16%**](https://www.amazon.com/dp/B01N5GYRTF) [**Filterbuy 16x25x4 Air Filter MERV 11 Superior Pet & 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**$69.16**4.6★**— 10%**](https://www.amazon.com/dp/B00CJZ5SEW) [**Filterbuy 16x25x4 Air Filter MERV 8 Essential Dust & 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**$43.23**4.6★**— 1%**](https://www.amazon.com/dp/B00CK04VEE)
**~~View all trending →~~**
## **What buyers say about 16x25x4 furnace filter merv 11**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**23%
*“The fit is snug”*
**Filtration**23%
*“The filter does a great job”*
**Quality-Overall**15%
*“Good quality”*
**Value For Money**15%
*“Good Price”*
**Advertised Vs Actual Product**11%
*“As advertised”*
**Assembly/Installation**2%
*“Easy install”*
**Compatibility-Overall**1%
*“Perfect fit for Honeywell”*
**Ease Of Use**1%
*“Very nice convenient”*
**Durability**1%
*“lasts a while”*
**Efficiency**1%
*“they work great in my HVAC”*
### **What buyers complain about **
**Size-Overall**53%
*“DOES NOT FIT”*
**Filtration**12%
*“Filter didn't fit”*
**Advertised Vs Actual Product**8%
*“Size is misleading”*
**Quality-Overall**5%
*“Why such a poor quality control”*
**Value For Money**4%
*“They are pricey”*
**Measurement/Reading Accuracy**3%
*“Measurements are wrong”*
**Compatibility-Overall**2%
*“Do not fit Honeywell”*
**Thickness**1%
*“Not 4 thick”*
**Strength**1%
*“Also a bit flimsy”*
**Ease Of Use**1%
*“then getting it out took quite a bit of effort”*
### **Top return reasons **
**Size-Overall**65%
**Filtration**18%
**Compatibility-Overall**7%
**Value For Money**3%
**Advertised Vs Actual Product**3%
**Defective Material/Parts**1%
**Thickness**1%
**Functionality-Overall**1%
**Maintenance And Repair**0%
**Certifications**0%
## **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.
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