---
title: "Gxwh40l — $267K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/appliances/gxwh40l"
last_updated: "2026-08-09T07:45:38.829Z"
locale: en
meta:
description: "Niche score 51/100 · $267K/yr market · 73K searches/yr. Brand-locked demand (top 5 brands take 96% of clicks) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 51/100 · $267K/yr market · 73K searches/yr. Brand-locked demand (top 5 brands take 96% of clicks) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Gxwh40l — $267K/yr Amazon US Niche (2026) - Flapen"
---
# **gxwh40l**
**Worth a look**
Shows a sweet-spot price point ($40.22 avg), but brand-locked demand (top 5 brands take 96% of clicks) keeps it on the watch list.
Market size 49Growth 30Conversion 84Competition 66Returns 87Price range 67Avg price 95Brand share 9Review moat 24Quality gap 25
**Avg price**
**Incredible****$40.22**
avg listing price — sweet spot $15–$100
**Returns**
**Great****1.4%**
return rate — above 5% kills the launch gate
**Conversion**
**Great****9.1%**
search→purchase rate — share of searches ending in a sale
**Price range**
**Good****$12.19–$139.94**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Competition**
**Good****46%**
top-5 click share — leaders hold, buyers still browse
**Market size**
**Okay****$267K**
$267K/yr · 73K searches
**Growth**
**Okay****+3.8%**
90-day search growth — must beat 0% to launch
**Quality gap**
**Okay****4.6★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Bad****6,655.51**
avg incumbent reviews — the moat a new listing must climb
**Brand share**
**Bad****96%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, gxwh40l is a $267K/yr Amazon United States market (73K searches/yr). The top 5 brands hold 96% of demand. Verdict: Worth a look — 51/100.
Data updated Jul 6, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **gxwh40l market data**
- **Units sold / yr**
- **6K–8K**
- avg 100–250/product
- **Revenue / yr**
- **$241K–$322K**
- units × avg price
- **Conversion rate**
- **9.1%**
- **Avg BSR**
- **#119**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **89%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **66 months**
- **Avg seller age**
- **152 days**
## **Competition & brand share**
The top 5 products take 46% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**8 **▲rising
**Sellers**
**37**
**Top-5 brand share**
**96%**
Top 20: 100%
**Top-5 click share**
**46%**
Top 20: 83%
**Open market**
**2%**
- PUREPLUS78% - PUR10% - GE4% - Caehomly2% - AQUA CREST2% - ICEPURE1% - Open — no brand owns it (2 brands, 2%)
## **Demand**
Weekly Amazon search volume, last 23 weeks — +3.8% search growth over the last 90 days.
2K2KSpike '26Mar '26Mar '26Apr '26May '26May '26Jun '26Jul '26Jul '26
[**Open Trend **](https://flapen.com/research/us/appliances/gxwh40l/trend)
## **Top gxwh40l search terms**
- **pureplus water filter replacement cartridge**26K/yr+5.5%7.3% conv. - **pure plus water filter replacement**13K/yr+3.8%7.6% conv. - **pureplus water filter**10K/yr-11.2%4.0% conv. - **pure plus water filter**7K/yr+10.3%4.4% conv. - **pureplus**6K/yr+14.2%4.7% conv. - **gxwh40l replacement filter**4K/yr+6.7%12.3% conv. - **gxwh40l**4K/yr+1.6%7.2% conv. - **purplus water filter replacement**2K/yr+0.7%9.5% conv. [**All search terms **](https://flapen.com/research/us/appliances/gxwh40l/search-terms)
## **Top gxwh40l 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%$11K8%$21K12%$32K16%$43K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**PUREPLUS 5 Micron 10 x 4.5 Whole House Sediment and Carbon Water Filter Replacement Cartridge for GE FXHTC GXWH40L GXWH35F GNWH38S Culligan RFC-BBSA WRC25HD PP10BB-CC Pentek RFC-BB 2Pack**PUREPLUS**$28.70**4.7★7,844 rev](https://www.amazon.com/dp/B01N2H2OO6) [2**PUREPLUS ADQ747935 Replacement for LG LT1000P LT1000 Kenmore Elite 9980 LT1000PC MDJ64844601 ADQ74793501 LMXS28626S LFXS26973S LT120F Refrigerator Water and Air Filter 3Pack Model: RWF4700AC**PUREPLUS**$25.60**4.6★9,924 rev](https://www.amazon.com/dp/B07Q34QCTJ) [3**PUREPLUS DA97-17376B Replacement for Samsung HAF-QIN/EXP DA97-08006C RF28R7351SG RF28R7201SR RF28T5001SR RF23M8590SG RS27T5200SR RF24R7201SR RWF4200A Refrigerator Water Filter 3 Pack**PUREPLUS**$26.10**4.6★15,442 rev](https://www.amazon.com/dp/B07WVT22CZ) [4**PUREPLUS 9690 Replacement for kenmore Elite 469690 LG LT700P RFC 1200A ADQ36006102 ADQ36006101 LFX28968ST RWF1052 RWF1200A LFXS29626S LFXS30766S LFX31925ST LFX31945ST Refrigerator Water Filter 4Pack**PUREPLUS**$29.55**4.7★8,494 rev](https://www.amazon.com/dp/B01NAKSM2I) [5**PUR Plus Water Filter Replacement for Pitchers & Dispensers 6-Month Supply 3 Count Blue (PPF951K3)**PUR**$19.71**4.5★28,194 rev](https://www.amazon.com/dp/B06WVDVDXB)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**5 Micron 10 x 4.5 Whole House Water Filter Compatible with GE FXHSC**Caehomly**$36.76**99 rev9mo ago](https://www.amazon.com/dp/B0FQNR79CV) [**RF9999 Replacement Filter for ALL PUR/PUR PLUS Faucet Filtration Systems**iSingo**$23.88**876 rev1y ago](https://www.amazon.com/dp/B0DT6Q5GZ4) [**PUREPLUS WFC5300A Under Sink Water Filter 22000 Gallons 99.99% Chlorine Reduction NSF/ANSI Certified Replacement for WFS5300A Under Counter Water Filtration System**PUREPLUS**$39.55**476 rev5y ago](https://www.amazon.com/dp/B08NV1CRNJ) [**PUREPLUS Coconut Shell Water Filter Cartridge | Activated Carbon Block CTO | Universal Whole House 5 Micron 10 inch Cartridge | Compatible with WFHDC8001 CB-BB-10 EPM EP-BB 3Pack**PUREPLUS**$64.66**1,056 rev5y ago](https://www.amazon.com/dp/B08KXRJFDN) [**PUREPLUS CRF950Z Pitcher Water Filter Replacement for Pur PPF900Z PPF951K PPT700W CR-1100C DS-1800Z CR-6000C PPT711W PPT711 PPT710W PPT111W PPT111R and All PUR Pitchers and Dispensers 4PACK**PUREPLUS**$22.94**3,008 rev5y ago](https://www.amazon.com/dp/B08D3B2F2S)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**5 Micron 10 x 4.5 Whole House Water Filter Compatible with GE FXHSC**Caehomly**$36.76**4.7★**▲ 77%**](https://www.amazon.com/dp/B0FQNR79CV) [**RF9999 Replacement Filter for ALL PUR/PUR PLUS Faucet Filtration Systems**iSingo**$23.88**4.6★**▲ 45%**](https://www.amazon.com/dp/B0DT6Q5GZ4) [**PUREPLUS 5 Micron 10 x 4.5 FXHTC Whole House Sediment and Carbon Water Filter Replacement Cartridge for GE GXWH40L GXWH35F GNWH38S Culligan RFC-BBSA WRC25HD RFC-BB PP10BB-CC WFHD13001 3Pack**PUREPLUS**$40.82**4.7★**▲ 43%**](https://www.amazon.com/dp/B082XVZ7SK) [**PUREPLUS Coconut Shell Water Filter Cartridge | Activated Carbon Block CTO | Universal Whole House 5 Micron 10 inch Cartridge | Compatible with WFHDC8001 CB-BB-10 EPM EP-BB 3Pack**PUREPLUS**$64.66**4.6★**▲ 32%**](https://www.amazon.com/dp/B08KXRJFDN) [**PUREPLUS 5 Micron 10 x 4.5 Whole House FXHTC Sediment and Carbon Water Filter Replacement Cartridge for GXWH40L GXWH35F GNWH38S RFC-BBSA WRC25HD PP10BB-CC RFC-BB WFHD13001 4Pack**PUREPLUS**$54.28**4.7★**▲ 21%**](https://www.amazon.com/dp/B07VNF7772)
**~~View all trending →~~**
## **What buyers say about gxwh40l**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Filtration**26%
*“Filter works well”*
**Value For Money**17%
*“Cheap price”*
**Size-Overall**16%
*“Fits like a glove”*
**Quality-Overall**12%
*“Amazing quality”*
**Advertised Vs Actual Product**9%
*“As advertised”*
**Assembly/Installation**3%
*“Easy to mount”*
**Compatibility-Overall**2%
*“Totally compatible”*
**Ease Of Use**2%
*“Easy to change out”*
**Efficiency**2%
*“Works great”*
**Leak-Proof**1%
*“Nothing leaking so far”*
### **What buyers complain about **
**Filtration**32%
*“Wrong filter”*
**Leak-Proof**6%
*“Leak”*
**Size-Overall**6%
*“DOES NOT FIT OR COME CLOSE TO FITTING”*
**Durability**5%
*“Poor durability”*
**Quality-Overall**4%
*“Not up to pur quality”*
**Smell**4%
*“Bad smell”*
**Value For Money**3%
*“More cost,”*
**Functionality-Overall**3%
*“they just don't work right”*
**Jamming/Clogging**3%
*“Clogged”*
**Compatibility-Overall**3%
*“Not compatible”*
### **Top return reasons **
**Size-Overall**47%
**Filtration**20%
**Compatibility-Overall**16%
**Advertised Vs Actual Product**5%
**Functionality-Overall**2%
**Leak-Proof**2%
**Value For Money**2%
**Defective Material/Parts**1%
**Smell**1%
**Water Resistance**1%
## **Common questions**
- **Is gxwh40l profitable to sell on Amazon United States?**
- The niche generates $267K/yr across 37 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +3.8%. Flapen's verdict: Worth a look (51/100).
- **How competitive is the gxwh40l niche?**
- 8 brands and 37 sellers compete. The top 5 products take 46% of clicks and top 5 brands hold 96% of demand.
- **What do buyers complain about in gxwh40l?**
- Top complaints mined from reviews: Filtration, Leak-Proof, Size-Overall. The return rate is 1.4%.
- **What does it cost to enter the gxwh40l niche?**
- Listings span $12.19–$139.94; the average listing price is $40.22 (sweet spot $15–$100). The average incumbent carries 6,656 reviews — the moat a new listing must climb.
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