---
title: "Berkey Shower Filter — $117K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/berkey-shower-filter"
last_updated: "2026-08-08T17:23:14.240Z"
locale: en
meta:
description: "Niche score 38/100 · $117K/yr market · 34K searches/yr · $79.71 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 38/100 · $117K/yr market · 34K searches/yr · $79.71 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Berkey Shower Filter — $117K/yr Amazon US Niche (2026) - Flapen"
---
# **berkey shower filter**
**Skip it**
A concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.
Market size 27Growth 24Conversion 53Competition 0Returns 88Price range 62Avg price 82Brand share 0Review moat 19Quality gap 75
**Returns**
**Great****1.3%**
return rate — above 5% kills the launch gate
**Avg price**
**Great****$79.71**
avg listing price — sweet spot $15–$100
**Quality gap**
**Great****4.3★**
avg incumbent rating — lower means beatable quality
**Price range**
**Good****$35.48–$139.23**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Conversion**
**Good****4.3%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Okay****$117K**
$117K/yr · 34K searches
**Growth**
**Bad****-2.2%**
90-day search growth — must beat 0% to launch
**Review moat**
**Bad****14,951.4**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Bad****100%**
top-5 click share — a locked-up shelf
**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, berkey shower filter is a $117K/yr Amazon United States market (34K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Nov. Verdict: Skip it — 38/100.
Data updated Jul 27, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **berkey shower filter market data**
- **Units sold / yr**
- **2K–2K**
- avg 250–500/product
- **Revenue / yr**
- **$120K–$159K**
- units × avg price
- **Conversion rate**
- **4.3%**
- **Avg BSR**
- **#100**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **80%**
- **Out of stock**
- **1.3%**
- **Avg brand age**
- **40 months**
- **Avg seller age**
- **162 days**
## **Competition & brand share**
The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**3 **▼falling
**Sellers**
**9**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**100%**
Top 20: 100%
**Open market**
**0%**
- WEDDELL79% - Berkey14% - Aquabliss7% - Open — no brand owns it (0%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -2.2% search growth over the last 90 days.
1K750Spike '24Holiday '24Prime Day '25Spike '25Black Friday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Nov · busiest ÷ quietest = 2.1×
[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/berkey-shower-filter/trend)
## **Top berkey shower filter search terms**
- **berkey shower filter**15K/yr-28.0%1.1% conv. - **wendell duo shower filter**6K/yr+29.3%6.7% conv. - **weddell duo shower head**7K/yr-0.1%5.3% conv. - **weddel duo shower filter**4K/yr+34.5%7.3% conv. - **berkey shower filter replacement**2K/yr+15.7%1.1% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/berkey-shower-filter/search-terms)
## **Top berkey shower filter 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%15%$18K30%$35K45%$53K60%$70K1001K10K100K 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**Weddell Duo Shower Filter NSF Certified Shower Filter for Chlorine Reduction Lead-Free Easy Installation Award-Winning Filter for Healthier Hair & Skin (White)**WEDDELL**$87.16**4.0★2,039 rev](https://www.amazon.com/dp/B0CGLZLMNP) [2**Berkey Shower Filter WITHOUT Shower Head - Reduces up to 95% of chlorine**Berkey**$139.23**4.5★1,019 rev](https://www.amazon.com/dp/B00BWIWYGC) [3**Weddell Duo Shower Filter NSF Certified Shower Filter for Chlorine Reduction Lead-Free Easy Installation Award-Winning Filter for Healthier Hair & Skin (Black)**WEDDELL**$87.46**4.0★2,039 rev](https://www.amazon.com/dp/B0CGM2S5LX) [4**Weddell Duo Shower Filter Twin Pack Replacement Cartridges - NSF Certified Shower Filter Removes Chlorine PFAS & Particulates Clinically Tested For Healthier Skin & Hair (2+2)**WEDDELL**$49.23**4.6★527 rev](https://www.amazon.com/dp/B0CKG9KZDZ) [5**Aquabliss High Output Revitalizing Shower Filter - Reduces Dry Itchy Skin Dandruff Eczema and Dramatically Improves The Condition of Your Skin Hair and Nails - Chrome (SF100)**Aquabliss**$35.48**4.4★69,133 rev](https://www.amazon.com/dp/B01MUBU0YC)
### **Newest**
by launch date
[**Weddell Duo Shower Filter Twin Pack Replacement Cartridges - NSF Certified Shower Filter Removes Chlorine PFAS & Particulates Clinically Tested For Healthier Skin & Hair (2+2)**WEDDELL**$49.23**527 rev2y ago](https://www.amazon.com/dp/B0CKG9KZDZ) [**Weddell Duo Shower Filter NSF Certified Shower Filter for Chlorine Reduction Lead-Free Easy Installation Award-Winning Filter for Healthier Hair & Skin (White)**WEDDELL**$87.16**2,039 rev2y ago](https://www.amazon.com/dp/B0CGLZLMNP) [**Weddell Duo Shower Filter NSF Certified Shower Filter for Chlorine Reduction Lead-Free Easy Installation Award-Winning Filter for Healthier Hair & Skin (Black)**WEDDELL**$87.46**2,039 rev2y ago](https://www.amazon.com/dp/B0CGM2S5LX) [**Aquabliss High Output Revitalizing Shower Filter - Reduces Dry Itchy Skin Dandruff Eczema and Dramatically Improves The Condition of Your Skin Hair and Nails - Chrome (SF100)**Aquabliss**$35.48**69,133 rev9y ago](https://www.amazon.com/dp/B01MUBU0YC) [**Berkey Shower Filter WITHOUT Shower Head - Reduces up to 95% of chlorine**Berkey**$139.23**1,019 rev16y ago](https://www.amazon.com/dp/B00BWIWYGC)
### **Trending**
90-day click momentum
[**Weddell Duo Shower Filter NSF Certified Shower Filter for Chlorine Reduction Lead-Free Easy Installation Award-Winning Filter for Healthier Hair & Skin (Black)**WEDDELL**$87.46**4.0★**▲ 83%**](https://www.amazon.com/dp/B0CGM2S5LX) [**Weddell Duo Shower Filter Twin Pack Replacement Cartridges - NSF Certified Shower Filter Removes Chlorine PFAS & Particulates Clinically Tested For Healthier Skin & Hair (2+2)**WEDDELL**$49.23**4.6★**▲ 55%**](https://www.amazon.com/dp/B0CKG9KZDZ) [**Weddell Duo Shower Filter NSF Certified Shower Filter for Chlorine Reduction Lead-Free Easy Installation Award-Winning Filter for Healthier Hair & Skin (White)**WEDDELL**$87.16**4.0★**— 5%**](https://www.amazon.com/dp/B0CGLZLMNP) [**Aquabliss High Output Revitalizing Shower Filter - Reduces Dry Itchy Skin Dandruff Eczema and Dramatically Improves The Condition of Your Skin Hair and Nails - Chrome (SF100)**Aquabliss**$35.48**4.4★**▼ 15%**](https://www.amazon.com/dp/B01MUBU0YC) [**Berkey Shower Filter WITHOUT Shower Head - Reduces up to 95% of chlorine**Berkey**$139.23**4.5★**▼ 29%**](https://www.amazon.com/dp/B00BWIWYGC)
## **What buyers say about berkey shower filter**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Assembly/Installation**23%
*“Easy Install”*
**Filtration**17%
*“Filters well”*
**Quality-Overall**7%
*“Good quality, easy to assemble”*
**Soft Feel**7%
*“My hair feels softer”*
**Value For Money**6%
*“Worth The Money”*
**Efficiency**4%
*“Works great”*
**Advertised Vs Actual Product**3%
*“As Advertised”*
**Pressure**3%
*“good water pressure”*
**Water Resistance**2%
*“water feels good”*
**Ease Of Use**2%
*“Easy to use”*
### **What buyers complain about **
**Filtration**16%
*“Not a very good filter”*
**Durability**10%
*“Poor durability”*
**Leak-Proof**8%
*“its leaking”*
**Value For Money**7%
*“too expensive”*
**Allergies**5%
*“a bit itchy”*
**Quality-Overall**4%
*“Cheap Quality”*
**Water Resistance**4%
*“There is water squirting out of every slit”*
**Spray/Flow**3%
*“I found two things causing water flow issues: 1”*
**Smell**3%
*“Even the smell is gone”*
**Functionality-Overall**3%
*“obviously not functional at all”*
### **Top return reasons **
**Filtration**24%
**Size-Overall**19%
**Leak-Proof**12%
**Compatibility-Overall**6%
**Value For Money**5%
**Defective Material/Parts**4%
**Functionality-Overall**4%
**Connectivity-Overall**4%
**Advertised Vs Actual Product**3%
**Assembly/Installation**2%
## **Common questions**
- **Is berkey shower filter profitable to sell on Amazon United States?**
- The niche generates $117K/yr across 5 tracked products. 90-day search growth is -2.2%. Flapen's verdict: Skip it (38/100).
- **How competitive is the berkey shower filter niche?**
- 3 brands and 9 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in berkey shower filter?**
- Top complaints mined from reviews: Filtration, Durability, Leak-Proof. The return rate is 1.3%.
- **When does demand for berkey shower filter peak?**
- Demand peaks in Nov; the busiest month runs 2.1× the quietest.
- **What does it cost to enter the berkey shower filter niche?**
- Listings span $35.48–$139.23; the average listing price is $79.71 (sweet spot $15–$100). The average incumbent carries 14,951 reviews — the moat a new listing must climb.
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