---
title: "Merv 8 Filter 20x25x5 — $547K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/merv-8-filter-20x25x5"
last_updated: "2026-08-07T20:09:17.462Z"
locale: en
meta:
description: "Niche score 53/100 · $547K/yr market. Brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 53/100 · $547K/yr market. Brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Merv 8 Filter 20x25x5 — $547K/yr Amazon US Niche (2026) - Flapen"
---
# **merv 8 filter 20x25x5**
**Worth a look**
Shows searches that convert (14.3% search→purchase), but brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list.
Market size 62Growth 48Conversion 96Competition 37Returns 95Price range 67Avg price 84Brand share 0Review moat 37Quality gap 21
**Conversion**
**Incredible****14.3%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Incredible****0.9%**
return rate — above 5% kills the launch gate
**Avg price**
**Great****$76.32**
avg listing price — sweet spot $15–$100
**Price range**
**Good****$40.72–$129.32**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Market size**
**Good****$547K**
$547K/yr · 50K searches
**Growth**
**Okay****+18.1%**
90-day search growth — must beat 0% to launch
**Competition**
**Okay****63%**
top-5 click share — leaders hold, buyers still browse
**Review moat**
**Okay****2,798.21**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Brand share**
**Bad****100%**
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, merv 8 filter 20x25x5 is a $547K/yr Amazon United States market (50K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jun–Jul. Verdict: Worth a look — 53/100.
Data updated Jul 27, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **merv 8 filter 20x25x5 market data**
- **Units sold / yr**
- **6K–8K**
- avg 250–500/product
- **Revenue / yr**
- **$458K–$611K**
- units × avg price
- **Conversion rate**
- **14.3%**
- **Avg BSR**
- **#326**
- **Page quality**
- **0%**
- **Prime**
- **16%**
- **Sponsored**
- **100%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **65 months**
- **Avg seller age**
- **191 days**
## **Competition & brand share**
The top 5 products take 63% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**5 **▲rising
**Sellers**
**36**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**63%**
Top 20: 100%
**Open market**
**0%**
- Trion69% - Filterbuy16% - Filtrete11% - AIRx Filters4% - Nordic Pure1%
## **Demand & seasonality**
Weekly Amazon search volume, last 101 weeks — +18.1% search growth over the last 90 days.
2K1KSpike '24Spike '25Prime Day '25Spike '26Prime Day '26 seasonDecMarJunAugNovMarMay
Peak months: Jun, Jul · busiest ÷ quietest = 2.4×
[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/merv-8-filter-20x25x5/trend)
## **Top merv 8 filter 20x25x5 search terms**
- **air bear filters 20x25x5**20K/yr+18.1%14.3% conv. - **20x25x5 air filter merv 8**8K/yr+36.2%11.7% conv. - **merv 8 20x25x5**3K/yr+58.1%11.6% conv. - **trion air bear filter 20x25x5 merv 8**6K/yr+3.5%11.4% conv. - **20x25x5 merv 8**3K/yr+30.5%11.2% conv. - **airbear 20x25x5 air filter merv 8**5K/yr-29.0%19.6% conv. - **air bear 20x25x5**4K/yr+4.5%8.0% conv. - **20x25x5 air bear**865/yr+20.5%9.6% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/merv-8-filter-20x25x5/search-terms)
## **Top merv 8 filter 20x25x5 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%4%$22K8%$44K12%$66K16%$88K1101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 19 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Trion Air Bear 259112-102 MERV 11 Filters (3-Pk) - 20x25x5 by Trion**Trion**$104.21**4.8★208 rev](https://www.amazon.com/dp/B01LY5IQ0Z) [2**Filterbuy 20x25x5 Air Filter MERV 8 Essential Dust & Allergy Defense (2-Pack) Pleated HVAC AC Furnace Filters for Honeywell FC100A1037 Lennox X6673 and More (Actual Size: 19.88 x 24.75 x 4.38)**Filterbuy**$49.96**4.6★19,747 rev](https://www.amazon.com/dp/B00NVF51ZK) [3**Air Bear 20x25x5 Pleated HVAC Air Filter MERV 8 (2-Pack) (actual size: 19.75 x 24.25 x 4.9 in.) compatible part number 255649-102**Trion**$62.64**5.0★10 rev](https://www.amazon.com/dp/B0GW9LSFTV) [4**Air Bear 20x25x5 Pleated HVAC Air Filter MERV 8 (4-Pack) (actual size: 19.75 x 24.25 x 4.9 in.) compatible part number 255649-102**Trion**$109.31**4.8★12 rev](https://www.amazon.com/dp/B0GSGXSHRW) [5**Trion Air Bear 255649-102 Replacement Filter - 20x25x5 Three Per Box**Trion**$85.62**4.8★2,233 rev](https://www.amazon.com/dp/B003ZVK1EG)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Air Bear 20x25x5 Air Filter MERV 11 (2-Pack) Pleated HVAC Air Filter Replacement (Actual Size: 19.75 x 24.25 x 4.9 Inches) Compatible with part no: 259112-102**Trion**$67.39**9 rev3mo ago](https://www.amazon.com/dp/B0GWKHZ2JK) [**Air Bear 20x25x5 Air Filter MERV 13 (2-Pack) Pleated HVAC Air Filter Replacement (Actual Size: 19.75 x 24.25 x 4.9 Inches) Compatible with part no: 266649-102**Trion**$74.48**2 rev3mo ago](https://www.amazon.com/dp/B0GWKKBN65) [**Air Bear 20x25x5 Pleated HVAC Air Filter MERV 8 (2-Pack) (actual size: 19.75 x 24.25 x 4.9 in.) compatible part number 255649-102**Trion**$62.64**10 rev3mo ago](https://www.amazon.com/dp/B0GW9LSFTV) [**Air Bear 20x25x5 Pleated HVAC Air Filter MERV 8 (4-Pack) (actual size: 19.75 x 24.25 x 4.9 in.) compatible part number 255649-102**Trion**$109.31**12 rev4mo ago](https://www.amazon.com/dp/B0GSGXSHRW) [**20x25x5 Air Bear Pleated HVAC Air Filter MERV 13 (4-Pack) (Actual Size: 19.75 x 24.25 x 4.9 Inches) compatible with part no: 266649-102**Trion**$129.32**8 rev4mo ago](https://www.amazon.com/dp/B0GSH8J93B)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Air Bear 20x25x5 Air Filter MERV 11 (2-Pack) Pleated HVAC Air Filter Replacement (Actual Size: 19.75 x 24.25 x 4.9 Inches) Compatible with part no: 259112-102**Trion**$67.39**5.0★**▲ 246%**](https://www.amazon.com/dp/B0GWKHZ2JK) [**Air Bear 20x25x5 Air Filter MERV 13 (2-Pack) Pleated HVAC Air Filter Replacement (Actual Size: 19.75 x 24.25 x 4.9 Inches) Compatible with part no: 266649-102**Trion**$74.48**5.0★**▲ 235%**](https://www.amazon.com/dp/B0GWKKBN65) [**Air Bear 20x25x5 Pleated HVAC Air Filter MERV 8 (2-Pack) (actual size: 19.75 x 24.25 x 4.9 in.) compatible part number 255649-102**Trion**$62.64**5.0★**▲ 233%**](https://www.amazon.com/dp/B0GW9LSFTV) [**20x25x5 Air Bear Pleated HVAC Air Filter MERV 13 (4-Pack) (Actual Size: 19.75 x 24.25 x 4.9 Inches) compatible with part no: 266649-102**Trion**$129.32**5.0★**▲ 181%**](https://www.amazon.com/dp/B0GSH8J93B) [**Air Bear 20x25x5 Pleated HVAC Air Filter MERV 8 (4-Pack) (actual size: 19.75 x 24.25 x 4.9 in.) compatible part number 255649-102**Trion**$109.31**4.8★**▲ 157%**](https://www.amazon.com/dp/B0GSGXSHRW)
**~~View all trending →~~**
## **What buyers say about merv 8 filter 20x25x5**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Filtration**27%
*“Filters work great”*
**Size-Overall**22%
*“Fits as it should”*
**Quality-Overall**19%
*“Excellent Product”*
**Value For Money**12%
*“Best price”*
**Advertised Vs Actual Product**8%
*“Exactly as advertised”*
**Efficiency**3%
*“Effective”*
**Assembly/Installation**2%
*“Easy to install”*
**Durability**1%
*“have had no lasting issues or problems”*
**Compatibility-Overall**0%
*“glad it actually was compatible with the machine”*
**Ease Of Use**0%
*“it was easy to order”*
### **What buyers complain about **
**Size-Overall**42%
*“Didn't fit”*
**Filtration**11%
*“The condition of the filter is not very good”*
**Value For Money**6%
*“Too expensive”*
**Quality-Overall**5%
*“Not good quality”*
**Compatibility-Overall**4%
*“Does not fit my AC”*
**Strength**3%
*“Very flimsy construction”*
**Thickness**3%
*“a bit too thin”*
**Allergies**2%
*“Allergies developed after using this”*
**Advertised Vs Actual Product**2%
*“Shame on me for not reading the spec sheet carefully”*
**Adhesion/Stickiness**2%
*“Then 1 of the four had its entire corner misshapened and glued wrong”*
### **Top return reasons **
**Size-Overall**72%
**Filtration**13%
**Compatibility-Overall**8%
**Advertised Vs Actual Product**2%
**Value For Money**1%
**Defective Material/Parts**1%
**Product Condition**0%
**Functionality-Overall**0%
**Ease Of Use**0%
**Certifications**0%
## **Common questions**
- **Is merv 8 filter 20x25x5 profitable to sell on Amazon United States?**
- The niche generates $547K/yr across 19 tracked products. 6 of 6 products launched in the last 360 days are still selling. 90-day search growth is +18.1%. Flapen's verdict: Worth a look (53/100).
- **How competitive is the merv 8 filter 20x25x5 niche?**
- 5 brands and 36 sellers compete. The top 5 products take 63% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in merv 8 filter 20x25x5?**
- Top complaints mined from reviews: Size-Overall, Filtration, Value For Money. The return rate is 0.9%.
- **When does demand for merv 8 filter 20x25x5 peak?**
- Demand peaks in Jun–Jul; the busiest month runs 2.4× the quietest.
- **What does it cost to enter the merv 8 filter 20x25x5 niche?**
- Listings span $40.72–$129.32; the average listing price is $76.32 (sweet spot $15–$100). The average incumbent carries 2,798 reviews — the moat a new listing must climb.
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