---
title: "Whirlpool Reverse Osmosis Filters — $49K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/whirlpool-reverse-osmosis-filters"
last_updated: "2026-08-08T07:57:01.963Z"
locale: en
meta:
description: "Niche score 31/100 · $49K/yr market · 63K searches/yr · $94.22 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 31/100 · $49K/yr market · 63K searches/yr · $94.22 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Whirlpool Reverse Osmosis Filters — $49K/yr Amazon US Niche (2026) - Flapen"
---
# **whirlpool reverse osmosis filters**
**Skip it**
Weak search conversion (0.8%) — this niche doesn't clear our bar today.
Market size 12Growth 15Conversion 10Competition 17Returns 51Price range 40Avg price 77Brand share 14Review moat 73Quality gap 70
**Avg price**
**Great****$94.22**
avg listing price — sweet spot $15–$100
**Review moat**
**Good****568.18**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Good****4.3★**
avg incumbent rating — lower means beatable quality
**Returns**
**Good****3.0%**
return rate — above 5% kills the launch gate
**Price range**
**Okay****$24.89–$213.93**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Competition**
**Bad****79%**
top-5 click share — a locked-up shelf
**Growth**
**Bad****-20.5%**
90-day search growth — must beat 0% to launch
**Brand share**
**Bad****94%**
top-5 brand share — brand-locked demand
**Market size**
**Bad****$49K**
$49K/yr · 63K searches
**Conversion**
**Bad****0.8%**
search→purchase rate — share of searches ending in a sale
**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, whirlpool reverse osmosis filters is a $49K/yr Amazon United States market (63K searches/yr). The top 5 brands hold 94% of demand. Demand peaks in Jul. Verdict: Skip it — 31/100.
Data updated Jul 28, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **whirlpool reverse osmosis filters market data**
- **Units sold / yr**
- **500–750**
- avg 0–100/product
- **Revenue / yr**
- **$47K–$71K**
- units × avg price
- **Conversion rate**
- **0.8%**
- **Avg BSR**
- **#610**
- **Page quality**
- **0%**
- **Prime**
- **91%**
- **Sponsored**
- **64%**
- **Out of stock**
- **3.9%**
- **Avg brand age**
- **81 months**
- **Avg seller age**
- **164 days**
## **Competition & brand share**
The top 5 products capture 79% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**5 **▼falling
**Sellers**
**11**
**Top-5 brand share**
**94%**
Top 20: 94%
**Top-5 click share**
**79%**
Top 20: 100%
**Open market**
**0%**
- EcoPure52% - Soft Water Supply32% - KleenWater7% - --6% - GLACIER FRESH2% - Water Filter Tec2% - Open — no brand owns it (0%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -20.5% search growth over the last 90 days.
1K750Spike '24Holiday '24Spike '25Prime Day '25Holiday '25 seasonSepDecMarJunAugNovMarMay
Peak months: Jul · busiest ÷ quietest = 1.7×
[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/whirlpool-reverse-osmosis-filters/trend)
## **Top whirlpool reverse osmosis filters search terms**
- **ecowater systems filters**18K/yr-27.5%0.3% conv. - **whirlpool reverse osmosis filters**11K/yr-10.4%2.0% conv. - **eco water filter replacement**7K/yr-14.9%0.3% conv. - **ecowater reverse osmosis filters**6K/yr-2.2%0.5% conv. - **ecowater filters replacement**4K/yr+24.3%0.2% conv. - **ecowater ero-375**2K/yr-9.3%0.5% conv. - **eco water filter**3K/yr-21.6%0.2% conv. - **eco water filter 7382916**3K/yr-43.3%0.2% conv. - **whirlpool reverse osmosis replacement filters**3K/yr-13.8%1.6% conv. - **ecowater filter replacement**3K/yr-66.4%0.3% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/whirlpool-reverse-osmosis-filters/search-terms)
## **Top whirlpool reverse osmosis filters 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%10%$5K20%$10K30%$15K40%$20K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 11 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**EcoPure Reverse Osmosis Filter and Membrane Set - Includes Membrane ECOROM and Pre/Post Filter Set ECOROF - Plus Reminder Tag - NSF Certified Authentic OEM Parts for ECOP30 RO Unit - EcoPure Only**Soft Water Supply**$132.45**4.6★70 rev](https://www.amazon.com/dp/B0DXXNZZDD) [2**EcoPure ECOROF Reverse Osmosis Replacement Filter Set Fits ECOP30 & Select Kenmore RO Systems NSF-Certified Reduces Lead Chlorine TDS & More 6-Month Life Easy Filter Changes**EcoPure**$53.12**4.5★622 rev](https://www.amazon.com/dp/B004HL7VQE) [3**EcoPure ECOP30 Premium Reverse Osmosis System Under Sink Drinking Water Filter System NSF-Certified Reduces Lead Chlorine and TDS Bottled-Quality Water Easy Filter Changes**EcoPure**$213.93**4.2★214 rev](https://www.amazon.com/dp/B004HL04EK) [4**KW-REVO-manifold Retro-fit Replacement Reverse Osmosis Water Filter System for EcoWater Model ERO 335 and ERO 375 Made in the USA**KleenWater**$211.51**4.7★16 rev](https://www.amazon.com/dp/B0CY2SRS3P) [5**EcoPure ECOROM Reverse Osmosis Membrane Replacement Fits ECOP30 & Select Kenmore & Brita RO Systems NSF-Certified Stage 2 Filter Reduces TDS Lead Chlorine & More 13 Year Life Easy Changes**EcoPure**$64.51**4.6★569 rev](https://www.amazon.com/dp/B00BA1DX6Q)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**EcoPure Reverse Osmosis Filter and Membrane Set - Includes Membrane ECOROM and Pre/Post Filter Set ECOROF - Plus Reminder Tag - NSF Certified Authentic OEM Parts for ECOP30 RO Unit - EcoPure Only**Soft Water Supply**$132.45**70 rev1y ago](https://www.amazon.com/dp/B0DXXNZZDD) [**EcoPure Reverse Osmosis Filter Pair - Includes Pre/Post Filter Set (ECOROF) - Includes Service Reminder Tag - NSF Certified Authentic OEM Parts for ECOP30 RO Unit**Soft Water Supply**$60.42**24 rev1y ago](https://www.amazon.com/dp/B0DXY2T4WM) [**NSF Certified 3 Stage Reverse Osmosis RO Water Filters Replacement**Water Filter Tec**$28.19**7 rev2y ago](https://www.amazon.com/dp/B0D1RC1765) [**KW-REVO-manifold Retro-fit Replacement Reverse Osmosis Water Filter System for EcoWater Model ERO 335 and ERO 375 Made in the USA**KleenWater**$211.51**16 rev4y ago](https://www.amazon.com/dp/B0CY2SRS3P) [**Northstar Reverse Osmosis Filter Set - Contains Membrane 7287514 and New Pre and Post Filter Set NSROPF4 (Replacement for set 7287506) with Maintenance Reminder Tag - Authentic NorthStar OEM**--**$158.98**219 rev6y ago](https://www.amazon.com/dp/B089T8F6LS)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**EcoPure ECOP30 Premium Reverse Osmosis System Under Sink Drinking Water Filter System NSF-Certified Reduces Lead Chlorine and TDS Bottled-Quality Water Easy Filter Changes**EcoPure**$213.93**4.2★**▲ 33%**](https://www.amazon.com/dp/B004HL04EK) [**GLACIER FRESH UKF8001 Whirlpool Refrigerator Water Filter 4 3 Pack**GLACIER FRESH**$24.89**4.7★**▲ 23%**](https://www.amazon.com/dp/B07WTLHR8F) [**EcoPure ECOROM Reverse Osmosis Membrane Replacement Fits ECOP30 & Select Kenmore & Brita RO Systems NSF-Certified Stage 2 Filter Reduces TDS Lead Chlorine & More 13 Year Life Easy Changes**EcoPure**$64.51**4.6★**▲ 20%**](https://www.amazon.com/dp/B00BA1DX6Q) [**EcoPure ECOROF Reverse Osmosis Replacement Filter Set Fits ECOP30 & Select Kenmore RO Systems NSF-Certified Reduces Lead Chlorine TDS & More 6-Month Life Easy Filter Changes**EcoPure**$53.12**4.5★**▲ 18%**](https://www.amazon.com/dp/B004HL7VQE) [**EcoPure Reverse Osmosis Filter Pair - Includes Pre/Post Filter Set (ECOROF) - Includes Service Reminder Tag - NSF Certified Authentic OEM Parts for ECOP30 RO Unit**Soft Water Supply**$60.42**4.3★**— 4%**](https://www.amazon.com/dp/B0DXY2T4WM)
**~~View all trending →~~**
## **What buyers say about whirlpool reverse osmosis filters**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Filtration**31%
*“Reliable and most efficient filtre I ever used”*
**Size-Overall**18%
*“Good fit”*
**Quality-Overall**12%
*“Great quality system”*
**Value For Money**12%
*“are noticably cheaper”*
**Assembly/Installation**5%
*“Easy to install”*
**Functionality-Overall**5%
*“We are very happy with this product that fits in our Whirlpool WHEERM reverse osmosis system”*
**Efficiency**5%
*“Works well”*
**Advertised Vs Actual Product**3%
*“Exactly as described”*
**Durability**1%
*“lasts just as long”*
**Leak-Proof**1%
*“they fit perfectly with no signs of leaking”*
### **What buyers complain about **
**Filtration**22%
*“It didnt look like my other filter”*
**Value For Money**15%
*“Very costly in long term”*
**Leak-Proof**10%
*“One or more of the filters leaked, and no, it wasn't an O-ring failure”*
**Compatibility-Overall**9%
*“Doesn't fit whirlpool system”*
**Advertised Vs Actual Product**8%
*“Don't trust this product description on Amazon”*
**Quality-Overall**6%
*“This IS an inexpensive option BUT cheaply made”*
**Size-Overall**6%
*“it will not fit”*
**Durability**5%
*“clogs in less than 2 weeks”*
**Maintenance And Repair**3%
*“Cannot be replaced, must buy new unit,”*
**Jamming/Clogging**2%
*“Clogs very fast”*
### **Top return reasons **
**Size-Overall**37%
**Compatibility-Overall**28%
**Filtration**16%
**Connectivity-Overall**4%
**Advertised Vs Actual Product**3%
**Functionality-Overall**3%
**Leak-Proof**2%
**Value For Money**1%
**Eco Friendliness**1%
**Defective Material/Parts**1%
## **Common questions**
- **Is whirlpool reverse osmosis filters profitable to sell on Amazon United States?**
- The niche generates $49K/yr across 11 tracked products. 90-day search growth is -20.5%. Flapen's verdict: Skip it (31/100).
- **How competitive is the whirlpool reverse osmosis filters niche?**
- 5 brands and 11 sellers compete. The top 5 products take 79% of clicks and top 5 brands hold 94% of demand.
- **What do buyers complain about in whirlpool reverse osmosis filters?**
- Top complaints mined from reviews: Filtration, Value For Money, Leak-Proof. The return rate is 3.0%.
- **When does demand for whirlpool reverse osmosis filters peak?**
- Demand peaks in Jul; the busiest month runs 1.7× the quietest.
- **What does it cost to enter the whirlpool reverse osmosis filters niche?**
- Listings span $24.89–$213.93; the average listing price is $94.22 (sweet spot $15–$100). The average incumbent carries 568 reviews — the moat a new listing must climb.
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