---
title: "X6672 — $177K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/x6672"
last_updated: "2026-08-05T21:18:07.977Z"
locale: en
meta:
description: "Niche score 52/100 · $177K/yr market · 16K searches/yr · $94.43 avg price. Strong incumbent ratings (4.7★) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 52/100 · $177K/yr market · 16K searches/yr · $94.43 avg price. Strong incumbent ratings (4.7★) keeps it on the watch list. Data updated Jul 2026."
"og:title": "X6672 — $177K/yr Amazon US Niche (2026) - Flapen"
---
# **x6672**
**Worth a look**
Shows low returns (0.7%), but strong incumbent ratings (4.7★) keeps it on the watch list.
Market size 36Growth 27Conversion 93Competition 54Returns 97Price range 45Avg price 77Brand share 43Review moat 77Quality gap 18
**Returns**
**Incredible****0.7%**
return rate — above 5% kills the launch gate
**Conversion**
**Great****11.4%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Great****465.05**
avg incumbent reviews — the moat a new listing must climb
**Avg price**
**Great****$94.43**
avg listing price — sweet spot $15–$100
**Competition**
**Good****52%**
top-5 click share — leaders hold, buyers still browse
**Price range**
**Okay****$51.43–$159.03**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Brand share**
**Okay****79%**
top-5 brand share — brands hold most of the demand
**Market size**
**Okay****$177K**
$177K/yr · 16K searches
**Growth**
**Okay****+1.3%**
90-day search growth — must beat 0% to launch
**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, x6672 is a $177K/yr Amazon United States market (16K searches/yr). The top 5 brands hold 79% of demand. Verdict: Worth a look — 52/100.
Data updated Jul 27, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **x6672 market data**
- **Units sold / yr**
- **2K–3K**
- avg 0–100/product
- **Revenue / yr**
- **$189K–$236K**
- units × avg price
- **Conversion rate**
- **11.4%**
- **Avg BSR**
- **#722**
- **Page quality**
- **0%**
- **Prime**
- **75%**
- **Sponsored**
- **100%**
- **Out of stock**
- **5.1%**
- **Avg brand age**
- **41 months**
- **Avg seller age**
- **177 days**
## **Competition & brand share**
The top 5 products take 52% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**12 **▲rising
**Sellers**
**19**
**Top-5 brand share**
**79%**
Top 20: 100%
**Top-5 click share**
**52%**
Top 20: 100%
**Open market**
**13%**
- HEALTHY CLIMATE24% - Lennox24% - Micnce13% - LINNIW10% - Pitymody8% - Foglapius7% - Open — no brand owns it (6 brands, 13%)
## **Demand & seasonality**
Weekly Amazon search volume, last 103 weeks — +1.3% search growth over the last 90 days.
700500Spike '24Spike '25Prime Day '25Spike '26 seasonDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.5×
[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/x6672/trend)
## **Top x6672 search terms**
- **merv 16 filter 16x25x5**5K/yr+15.9%11.0% conv. - **x6672**5K/yr+5.8%10.2% conv. - **lennox x6672**3K/yr+40.9%10.3% conv. - **x6672 lennox healthy climate 16x25x5 merv 16 filter**4K/yr-40.2%10.4% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/x6672/search-terms)
## **Top x6672 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%$7K8%$14K12%$21K16%$28K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 20 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**2 Pack 6672 MERV 16 Filter 16x25x5 Carbon-Clean HVAC Furnace Air Filter Compatible with Lennox HCC16-28 Healthy Climate Home Furnace Filter for HVAC System Part Number HCF16-16 HCF16-10**Micnce**$83.25**4.8★27 rev](https://www.amazon.com/dp/B0FRS4T4B4) [2**Lennox X6672 Healthy Climate 16x25x5 Furnace Filter Merv 16 Carbon Clean Home Air filter for HVAC system 2 Pack with Cleaning Cloth**HEALTHY CLIMATE**$157.96**4.8★334 rev](https://www.amazon.com/dp/B0B6JPXBBB) [3**Lennox X6672 16x25x5 Furnace Filter Lennox Healthy Climate Carbon Clean Merv 16 Home Air filter for HVAC system with Wholesalehome Cleaning Cloth**Lennox**$83.60**4.8★76 rev](https://www.amazon.com/dp/B0B61QWH5T) [4**Lennox X6672 16x25x5 Healthy Climate Carbon-Clean MERV 16 Filter Bundle with Same Day Supply Filter Change Reminder Magnet (2-Pack)**Lennox**$159.03**4.8★999 rev](https://www.amazon.com/dp/B09YFSXPDD) [5**Lennox Carbon Coated X6672 Healthy Climate MERV 16 Filter (2 Pack)**HEALTHY CLIMATE**$154.84**4.8★2,490 rev](https://www.amazon.com/dp/B00E5EV0VA)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**1 Pack X6672 16x25x5 MERV 16 Filter Compatible with Lennox X6672 HCC16-28 Healthy Climate Clean MERV 16 Home Furnace Filter for HVAC System Part Number HCF16-16 HCF16-10**BesReyDa**$57.27**31 rev7mo ago](https://www.amazon.com/dp/B0G7XWDS6Q) [**Vilaso X6672 16x25x5 MERV 16 Filter for Lennox HCC16-28 Air Cleaner 2 Pack**Vilaso**$88.82**17 rev7mo ago](https://www.amazon.com/dp/B0FX2DGSXT) [**DOMICILEPRO Upgraded X6672 MERV 16 Air Filter 16x25x5 Compatible with Lennox X6672 and Lennox HCC16-28 Carbon Clean Furnace Filters HVAC System Part Number HCF16-16 2-Pack**DomicilePro**$110.88**10 rev10mo ago](https://www.amazon.com/dp/B0FS2BDG76) [**2 Pack 6672 MERV 16 Filter 16x25x5 Carbon-Clean HVAC Furnace Air Filter Compatible with Lennox HCC16-28 Healthy Climate Home Furnace Filter for HVAC System Part Number HCF16-16 HCF16-10**Micnce**$83.25**27 rev10mo ago](https://www.amazon.com/dp/B0FRS4T4B4) [**2 PackX6672 16x25x5 MERV 16 Filter Compatible with Lennox X6672 and Lennox HCC16-28 Healthy Climate Carbon Clean MERV 16 Home Furnace Filter for HVAC System Part Number HCF16-16 HCF16-10**MGCADI**$83.00**36 rev1y ago](https://www.amazon.com/dp/B0FD2Q7B4C)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**1 Pack X6672 16x25x5 MERV 16 Filter Compatible with Lennox X6672 HCC16-28 Healthy Climate Clean MERV 16 Home Furnace Filter for HVAC System Part Number HCF16-16 HCF16-10**BesReyDa**$57.27**4.4★**▲ 188%**](https://www.amazon.com/dp/B0G7XWDS6Q) [**2 Pack 6672 MERV 16 Filter 16x25x5 Carbon-Clean HVAC Furnace Air Filter Compatible with Lennox HCC16-28 Healthy Climate Home Furnace Filter for HVAC System Part Number HCF16-16 HCF16-10**Micnce**$83.25**4.8★**▲ 131%**](https://www.amazon.com/dp/B0FRS4T4B4) [**2 PackX6672 16x25x5 MERV 16 Filter Compatible with Lennox X6672 and Lennox HCC16-28 Healthy Climate Carbon Clean MERV 16 Home Furnace Filter for HVAC System Part Number HCF16-16 HCF16-10**MGCADI**$83.00**4.8★**▲ 81%**](https://www.amazon.com/dp/B0FD2Q7B4C) [**Lennox X6672 16x25x5 Furnace Filter Lennox Healthy Climate Carbon Clean Merv 16 Home Air filter for HVAC system with Wholesalehome Cleaning Cloth**Lennox**$83.60**4.8★**▲ 74%**](https://www.amazon.com/dp/B0B61QWH5T) [**DOMICILEPRO Upgraded X6672 MERV 16 Air Filter 16x25x5 Compatible with Lennox X6672 and Lennox HCC16-28 Carbon Clean Furnace Filters HVAC System Part Number HCF16-16 2-Pack**DomicilePro**$110.88**4.6★**▲ 70%**](https://www.amazon.com/dp/B0FS2BDG76)
**~~View all trending →~~**
## **What buyers say about x6672**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Filtration**31%
*“Quality filters”*
**Size-Overall**17%
*“fit is snug”*
**Value For Money**14%
*“Good value”*
**Quality-Overall**13%
*“The build quality is excellent”*
**Advertised Vs Actual Product**6%
*“It seems to do the job”*
**Durability**2%
*“Effectiveness and reliability”*
**Strength**2%
*“Very well built”*
**Ease Of Use**1%
*“Very convenient”*
**Assembly/Installation**1%
*“installation is simple”*
**Ease Of Cleaning**1%
*“the corners were clean”*
### **What buyers complain about **
**Value For Money**31%
*“Lesson learned, cheaper is not the way to go”*
**Filtration**14%
*“Bad Filters”*
**Jamming/Clogging**6%
*“they have to be jammed in”*
**Material Quality**3%
*“Material is very thick”*
**Advertised Vs Actual Product**2%
*“the filter dimensions of the ones i received from other sellers had dimensions sometimes a couple inches larger than advertised”*
**Smell**2%
*“and odors from the neighboring farm”*
**Thickness**1%
*“The material is not all that thick”*
### **Top return reasons **
**Size-Overall**61%
**Filtration**19%
**Compatibility-Overall**6%
**Value For Money**5%
**Advertised Vs Actual Product**3%
**Defective Material/Parts**1%
**Product Condition**1%
**Certifications**1%
**Thickness**1%
**Functionality-Overall**1%
## **Common questions**
- **Is x6672 profitable to sell on Amazon United States?**
- The niche generates $177K/yr across 20 tracked products. 2 of 4 products launched in the last 360 days are still selling. 90-day search growth is +1.3%. Flapen's verdict: Worth a look (52/100).
- **How competitive is the x6672 niche?**
- 12 brands and 19 sellers compete. The top 5 products take 52% of clicks and top 5 brands hold 79% of demand.
- **What do buyers complain about in x6672?**
- Top complaints mined from reviews: Value For Money, Filtration, Jamming/Clogging. The return rate is 0.7%.
- **When does demand for x6672 peak?**
- Demand is steady year-round — the busiest month runs 1.5× the quietest.
- **What does it cost to enter the x6672 niche?**
- Listings span $51.43–$159.03; the average listing price is $94.43 (sweet spot $15–$100). The average incumbent carries 465 reviews — the moat a new listing must climb.
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