---
title: "B085g66jtz — $119K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/b085g66jtz"
last_updated: "2026-08-08T15:54:51.605Z"
locale: en
meta:
description: "Niche score 37/100 · $119K/yr market · 20K searches/yr · $38.33 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 37/100 · $119K/yr market · 20K searches/yr · $38.33 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "B085g66jtz — $119K/yr Amazon US Niche (2026) - Flapen"
---
# **b085g66jtz**
**Skip it**
A concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.
Market size 28Growth 22Conversion 97Competition 0Returns 67Price range 95Avg price 95Brand share 0Review moat 25Quality gap 21
**Conversion**
**Incredible****15.4%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Incredible****$38.33**
avg listing price — sweet spot $15–$100
**Price range**
**Incredible****$25.76–$49.30**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Returns**
**Good****2.3%**
return rate — above 5% kills the launch gate
**Market size**
**Okay****$119K**
$119K/yr · 20K searches
**Review moat**
**Bad****4,590.4**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Bad****-5.7%**
90-day search growth — must beat 0% to launch
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Competition**
**Bad****100%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, b085g66jtz is a $119K/yr Amazon United States market (20K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 37/100.
Data updated Jul 28, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **b085g66jtz market data**
- **Units sold / yr**
- **3K–4K**
- avg 500–750/product
- **Revenue / yr**
- **$115K–$153K**
- units × avg price
- **Conversion rate**
- **15.4%**
- **Avg BSR**
- **#49**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **20%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **84 months**
- **Avg seller age**
- **199 days**
## **Competition & brand share**
The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**1 **—flat
**Sellers**
**6**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**100%**
Top 20: 100%
**Open market**
**0%**
- Waterdrop100%
## **Demand & seasonality**
Weekly Amazon search volume, last 87 weeks — -5.7% search growth over the last 90 days.
700500Spike '25Prime Day '25Black Friday '25Spike '26 seasonDecJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun
No pronounced peak months · busiest ÷ quietest = 1.3×
[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/b085g66jtz/trend)
## **Top b085g66jtz search terms**
- **waterdrop 10ua filter replacement**6K/yr+27.3%14.4% conv. - **b085g66jtz**4K/yr-15.8%14.4% conv. - **wd-rf10 replacement filter**5K/yr-19.8%24.1% conv. - **b085g66jtz|b08qvk1b52|b085g4nzhx**5K/yr-22.8%7.4% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/b085g66jtz/search-terms)
## **Top b085g66jtz 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%20%$24K40%$47K60%$71K80%$95K1001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 5 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Waterdrop RF10 Water Filter Replacement for Waterdrop 10UA/10UB/10UB-B**Waterdrop**$25.76**4.7★5,670 rev](https://www.amazon.com/dp/B085G66JTZ) [2**Waterdrop RF10 Water Filter Replacement for Waterdrop 10UA/10UB/10UB-B**Waterdrop**$49.30**4.7★383 rev](https://www.amazon.com/dp/B0BLTN9F99) [3**Waterdrop 10UA Under Sink Water Filter System NSF/ANSI 42 Certified 1 Year**Waterdrop**$42.05**4.6★13,883 rev](https://www.amazon.com/dp/B083NPW1DN) [4**Waterdrop RF10-UF Water Filter Replacement for WD-10UA/10UA-UF/10UB/10UB-UF**Waterdrop**$29.89**4.7★2,079 rev](https://www.amazon.com/dp/B08HV51X15) [5**Waterdrop RF17 Water Filter Replacement for Waterdrop 17UA/17UB**Waterdrop**$44.63**4.6★937 rev](https://www.amazon.com/dp/B085G4NZHX)
### **Newest**
by launch date
[**Waterdrop RF10 Water Filter Replacement for Waterdrop 10UA/10UB/10UB-B**Waterdrop**$49.30**383 rev3y ago](https://www.amazon.com/dp/B0BLTN9F99) [**Waterdrop RF10-UF Water Filter Replacement for WD-10UA/10UA-UF/10UB/10UB-UF**Waterdrop**$29.89**2,079 rev5y ago](https://www.amazon.com/dp/B08HV51X15) [**Waterdrop RF10 Water Filter Replacement for Waterdrop 10UA/10UB/10UB-B**Waterdrop**$25.76**5,670 rev6y ago](https://www.amazon.com/dp/B085G66JTZ) [**Waterdrop RF17 Water Filter Replacement for Waterdrop 17UA/17UB**Waterdrop**$44.63**937 rev6y ago](https://www.amazon.com/dp/B085G4NZHX) [**Waterdrop 10UA Under Sink Water Filter System NSF/ANSI 42 Certified 1 Year**Waterdrop**$42.05**13,883 rev6y ago](https://www.amazon.com/dp/B083NPW1DN)
### **Trending**
90-day click momentum
[**Waterdrop 10UA Under Sink Water Filter System NSF/ANSI 42 Certified 1 Year**Waterdrop**$42.05**4.6★**▲ 18%**](https://www.amazon.com/dp/B083NPW1DN) [**Waterdrop RF10 Water Filter Replacement for Waterdrop 10UA/10UB/10UB-B**Waterdrop**$49.30**4.7★**— 5%**](https://www.amazon.com/dp/B0BLTN9F99) [**Waterdrop RF10 Water Filter Replacement for Waterdrop 10UA/10UB/10UB-B**Waterdrop**$25.76**4.7★**— 1%**](https://www.amazon.com/dp/B085G66JTZ) [**Waterdrop RF10-UF Water Filter Replacement for WD-10UA/10UA-UF/10UB/10UB-UF**Waterdrop**$29.89**4.7★**▼ 12%**](https://www.amazon.com/dp/B08HV51X15) [**Waterdrop RF17 Water Filter Replacement for Waterdrop 17UA/17UB**Waterdrop**$44.63**4.6★**▼ 14%**](https://www.amazon.com/dp/B085G4NZHX)
## **What buyers say about b085g66jtz**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Assembly/Installation**29%
*“No issues with installing”*
**Filtration**25%
*“The filter works great”*
**Quality-Overall**8%
*“Overall, a great product backed by excellent customer care”*
**Value For Money**6%
*“Affordable”*
**Size-Overall**4%
*“Perfect fit”*
**Advertised Vs Actual Product**4%
*“As Advertised”*
**Ease Of Use**4%
*“Easy Peasy”*
**Efficiency**3%
*“Works great”*
**Smell**2%
*“Easy install works great all smells”*
**Pressure**2%
*“actually the pressure is great”*
### **What buyers complain about **
**Filtration**28%
*“Terrible filter”*
**Spray/Flow**8%
*“after installing per instructions no water flow from filter to faucet”*
**Smell**6%
*“My water still smells and tastes funny”*
**Certifications**5%
*“NOT CERTIFIED BY NFS”*
**Durability**5%
*“they don't last”*
**Value For Money**4%
*“Waste of money”*
**Connectivity-Overall**3%
*“Connections did not match for me”*
**Water Resistance**3%
*“so the water pressure is low”*
**Leak-Proof**3%
*“Leakage”*
**Assembly/Installation**2%
*“I was unable to install with one of the filter hoses provided since the hose was meant to connect to the faucet cold water inlet”*
### **Top return reasons **
**Size-Overall**25%
**Filtration**21%
**Compatibility-Overall**13%
**Assembly/Installation**5%
**Value For Money**5%
**Advertised Vs Actual Product**5%
**Connectivity-Overall**5%
**Functionality-Overall**5%
**Leak-Proof**4%
**Defective Material/Parts**3%
## **Common questions**
- **Is b085g66jtz profitable to sell on Amazon United States?**
- The niche generates $119K/yr across 5 tracked products. 90-day search growth is -5.7%. Flapen's verdict: Skip it (37/100).
- **How competitive is the b085g66jtz niche?**
- 1 brands and 6 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in b085g66jtz?**
- Top complaints mined from reviews: Filtration, Spray/Flow, Smell. The return rate is 2.3%.
- **When does demand for b085g66jtz peak?**
- Demand is steady year-round — the busiest month runs 1.3× the quietest.
- **What does it cost to enter the b085g66jtz niche?**
- Listings span $25.76–$49.30; the average listing price is $38.33 (sweet spot $15–$100). The average incumbent carries 4,590 reviews — the moat a new listing must climb.
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