---
title: "Ro Membrane — $129K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/ro-membrane"
last_updated: "2026-08-06T18:41:38.833Z"
locale: en
meta:
description: "Niche score 52/100 · $129K/yr market · 55K searches/yr · $43.35 avg price. Soft demand (-18.9% this quarter) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 52/100 · $129K/yr market · 55K searches/yr · $43.35 avg price. Soft demand (-18.9% this quarter) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Ro Membrane — $129K/yr Amazon US Niche (2026) - Flapen"
---
# **ro membrane**
**Worth a look**
Shows a sweet-spot price point ($43.35 avg), but soft demand (-18.9% this quarter) keeps it on the watch list.
Market size 29Growth 16Conversion 62Competition 62Returns 79Price range 82Avg price 95Brand share 58Review moat 61Quality gap 38
**Avg price**
**Incredible****$43.35**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$12.75–$113.70**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Returns**
**Great****1.8%**
return rate — above 5% kills the launch gate
**Conversion**
**Good****5.4%**
search→purchase rate — share of searches ending in a sale
**Competition**
**Good****48%**
top-5 click share — leaders hold, buyers still browse
**Review moat**
**Good****1,051.16**
avg incumbent reviews — the moat a new listing must climb
**Brand share**
**Good****70%**
top-5 brand share — brands hold most of the demand
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Market size**
**Okay****$129K**
$129K/yr · 55K searches
**Growth**
**Bad****-18.9%**
90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, ro membrane is a $129K/yr Amazon United States market (55K searches/yr). The top 5 brands hold 70% of demand. Verdict: Worth a look — 52/100.
Data updated Jul 28, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **ro membrane market data**
- **Units sold / yr**
- **3K–4K**
- avg 0–100/product
- **Revenue / yr**
- **$130K–$173K**
- units × avg price
- **Conversion rate**
- **5.4%**
- **Avg BSR**
- **#522**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **97%**
- **Out of stock**
- **2.6%**
- **Avg brand age**
- **72 months**
- **Avg seller age**
- **150 days**
## **Competition & brand share**
The top 5 products take 48% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**16 **▲rising
**Sellers**
**39**
**Top-5 brand share**
**70%**
Top 20: 100%
**Top-5 click share**
**48%**
Top 20: 85%
**Open market**
**24%**
- Membrane Solutions26% - Geekpure16% - iSpring15% - MewMore6% - Dow Filmtec6% - UOLAMS5%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -18.9% search growth over the last 90 days.
1K750Spike '25Prime Day '25Holiday '25Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.5×
[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/ro-membrane/trend)
## **Top ro membrane search terms**
- **ro membrane**21K/yr-23.9%4.8% conv. - **ro membrane filter replacement**10K/yr+2.7%4.3% conv. - **membrane**9K/yr+1.5%0.8% conv. - **reverse osmosis membrane**10K/yr-32.6%4.2% conv. - **ro membrane filter**2K/yr-17.8%2.4% conv. - **reverse osmosis membrane filter**3K/yr-41.5%2.2% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/ro-membrane/search-terms)
## **Top ro membrane 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%5%$6K10%$13K15%$19K20%$26K101001K10K 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**Membrane Solutions NSF/ANSI 58 Certified 50 GPD Reverse Osmosis Membrane**Membrane Solutions**$17.79**4.6★3,221 rev](https://www.amazon.com/dp/B06XC9BVVC) [2**iSpring Greatwell NSF Certified Reverse Osmosis Membrane 75 GPD 11.75 X 1.75 Replacement Fits Standard Under Sink RO Drinking Water Filtration System MC7**iSpring**$34.48**4.7★2,209 rev](https://www.amazon.com/dp/B007TBB69W) [3**Membrane Solutions NSF/ANSI 58 Certified 75 GPD Reverse Osmosis Membrane**Membrane Solutions**$18.93**4.6★3,221 rev](https://www.amazon.com/dp/B0719H4BVL) [4**Reverse Osmosis Membrane 100 GPD 11.75x1.75 RO Membrane Water Filter Replacement Fits Standard for Under Sink RO Drinking Water Filter Filtration Purifier System**UOLAMS**$15.96**4.4★89 rev](https://www.amazon.com/dp/B0D812VTYD) [5**75 GPD Reverse Osmosis Membrane-NSF Certificated (1)**Geekpure**$16.07**4.6★901 rev](https://www.amazon.com/dp/B074W72NNW)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Reverse Osmosis Membrane 100 GPD 11.75x1.75 RO Membrane Water Filter Replacement Fits Standard for Under Sink RO Drinking Water Filter Filtration Purifier System**UOLAMS**$15.96**89 rev2y ago](https://www.amazon.com/dp/B0D812VTYD) [**SANDMONK Reverse Osmosis Membrane 50GPD 11.75x1.75 RO Membrane Water Filter Replacement Fits Under Sink RO Drinking Water Purifier System**Sandmonk**$12.75**42 rev2y ago](https://www.amazon.com/dp/B0CL6J6KR8) [**YKMGON 1812-50GPD Reverse Osmosis Membrane Kit with Housing**YKMGON**$23.83**176 rev3y ago](https://www.amazon.com/dp/B0CCSKHQMX) [**MewMore 75 GPD RO Membrane 11.75x1.75 Reverse Osmosis Membrane Filter Replacement Element for Under Sink RO Drinking Water Filter Purifier Filtration System 2-Pack**MewMore**$24.11**85 rev3y ago](https://www.amazon.com/dp/B0C4Q3SL1N) [**Max Water ULP-4040 Reverse Osmosis 4 x 40 RO Membrane 2600 GPD For Water Purification Desalination Commercial Industrial Agricultural**Max Water**$113.70**45 rev4y ago](https://www.amazon.com/dp/B07GZTZVFR)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**75 GPD Reverse Osmosis Membrane-NSF Certificated (1)**Geekpure**$16.07**4.6★**▲ 128%**](https://www.amazon.com/dp/B074W72NNW) [**50 GPD Reverse Osmosis Membrane -NSF Certificated (1)**Geekpure**$15.79**4.6★**▲ 112%**](https://www.amazon.com/dp/B0787SHMTZ) [**Watts Premier RO Water Filter 50 GPD (Gallons Per Day) Semi-Permeable Membrane Replacement for Premier Standard Reverse Osmosis System Yellow Built-In Check Valve 1.8 Dia x 10.75 L 1-Pack**Watts Premier**$44.30**4.6★**▲ 85%**](https://www.amazon.com/dp/B00AJG8JUS) [**Max Water ULP-4040 Reverse Osmosis 4 x 40 RO Membrane 2600 GPD For Water Purification Desalination Commercial Industrial Agricultural**Max Water**$113.70**4.0★**▲ 78%**](https://www.amazon.com/dp/B07GZTZVFR) [**100 GPD Reverse Osmosis Membrane-NSF Certificated (1)**Geekpure**$18.99**4.4★**▲ 74%**](https://www.amazon.com/dp/B0787SPHNV)
**~~View all trending →~~**
## **What buyers say about ro membrane**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Filtration**21%
*“Works well for my refrigerator filters”*
**Quality-Overall**17%
*“Good quality cartridges at a fair price”*
**Value For Money**17%
*“Great value”*
**Assembly/Installation**7%
*“Easy install”*
**Advertised Vs Actual Product**6%
*“Works as advertised”*
**Size-Overall**6%
*“Fit perfectly”*
**Efficiency**4%
*“Performance & Efficiency”*
**Durability**2%
*“Been using for years, no complaints”*
**Water Resistance**2%
*“Great water every time for years”*
**Ease Of Use**2%
*“Easy”*
### **What buyers complain about **
**Filtration**20%
*“there was very poor filtering”*
**Leak-Proof**8%
*“Leaking connectors”*
**Value For Money**7%
*“this ended you costing me plenty”*
**Durability**7%
*“Not lasting long”*
**Advertised Vs Actual Product**7%
*“Item listing is deceptive”*
**Compatibility-Overall**6%
*“Doesn't fit due to damaged connector”*
**Quality-Overall**5%
*“Poor quality fittings”*
**Functionality-Overall**3%
*“Didn't work”*
**Spray/Flow**3%
*“the water flow becomes very slow”*
**Jamming/Clogging**3%
*“clogged or otherwise defective”*
### **Top return reasons **
**Size-Overall**28%
**Filtration**25%
**Compatibility-Overall**21%
**Value For Money**4%
**Advertised Vs Actual Product**3%
**Defective Material/Parts**3%
**Functionality-Overall**3%
**Leak-Proof**2%
**Connectivity-Overall**2%
**Product Condition**2%
## **Common questions**
- **Is ro membrane profitable to sell on Amazon United States?**
- The niche generates $129K/yr across 32 tracked products. 90-day search growth is -18.9%. Flapen's verdict: Worth a look (52/100).
- **How competitive is the ro membrane niche?**
- 16 brands and 39 sellers compete. The top 5 products take 48% of clicks and top 5 brands hold 70% of demand.
- **What do buyers complain about in ro membrane?**
- Top complaints mined from reviews: Filtration, Leak-Proof, Value For Money. The return rate is 1.8%.
- **When does demand for ro membrane peak?**
- Demand is steady year-round — the busiest month runs 1.5× the quietest.
- **What does it cost to enter the ro membrane niche?**
- Listings span $12.75–$113.70; the average listing price is $43.35 (sweet spot $15–$100). The average incumbent carries 1,051 reviews — the moat a new listing must climb.
## **Related niches in Tools & Home Improvement**
- 73 [**solar outdoor lights**](https://flapen.com/research/us/tools-home-improvement/solar-outdoor-lights)$30.2M/yr+39.8%**Launch it**- 73 [**shower lamp**](https://flapen.com/research/us/tools-home-improvement/shower-lamp)$2.8M/yr+30.2%**Launch it**- 73 [**solar flowers**](https://flapen.com/research/us/tools-home-improvement/solar-flowers)$607K/yr+52.0%**Worth a look**- 73 [**american flag lights**](https://flapen.com/research/us/tools-home-improvement/american-flag-lights)$465K/yr+736.5%**Worth a look**- 73 [**solar fairy lights**](https://flapen.com/research/us/tools-home-improvement/solar-fairy-lights)$3.5M/yr+64.6%**Launch it**- 73 [**solar watering can with cascading lights**](https://flapen.com/research/us/tools-home-improvement/solar-watering-can-with-cascading-lights)$304K/yr+124.3%**Worth a look**[**All Tools & Home Improvement niches **](https://flapen.com/research/us/tools-home-improvement)