---
title: "Eufy Pet Water Fountain Filters — $21K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/pet-supplies/eufy-pet-water-fountain-filters"
last_updated: "2026-07-21T17:18:07.583Z"
locale: en
meta:
description: "Niche score 39/100 · $21K/yr market · 5K searches/yr · $16.96 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 39/100 · $21K/yr market · 5K searches/yr · $16.96 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Eufy Pet Water Fountain Filters — $21K/yr Amazon US Niche (2026) - Flapen"
---
# **eufy pet water fountain filters**
**Skip it**
A concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.
Market size 5Growth 11Conversion 100Competition 0Returns 96Price range 94Avg price 80Brand share 0Review moat 95Quality gap 33
**Conversion**
**Incredible****24.5%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Incredible****0.8%**
return rate — above 6% kills the launch gate
**Review moat**
**Great****107.75**
avg incumbent reviews — the moat a new listing must climb
**Price range**
**Great****$14.94–$18.55**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Avg price**
**Great****$16.96**
avg listing price — sweet spot $15–$100
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Growth**
**Bad****-28.3%**
90-day search growth — must beat 0% to launch
**Market size**
**Bad****$21K**
$21K/yr · 5K searches
**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, eufy pet water fountain filters is a $21K/yr Amazon United States market (5K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 39/100.
Data updated Jul 9, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **eufy pet water fountain filters market data**
- **Units sold / yr**
- **1K–1K**
- avg 100–250/product
- **Revenue / yr**
- **$17K–$21K**
- units × avg price
- **Launch success**
- **—**
- 0 of 0 new (360d)
- **Conversion rate**
- **24.5%**
- **Avg BSR**
- **#620**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **100%**
- **Out of stock**
- **14.3%**
- **Avg brand age**
- **23 months**
- **Avg seller age**
- **317 days**
## **Competition & brand share**
The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**4 **▼falling
**Sellers**
**5**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**100%**
Top 20: 100%
**Open market**
**0%**
- Fenkabs49% - Caehomly31% - Vofiiln11% - mestrol10% - Open — no brand owns it (0%)
## **Demand & seasonality**
Weekly Amazon search volume, last 102 weeks — -28.3% search growth over the last 90 days.
350250Prime Day '24Spike '24Spike '25Prime Day '25Spike '26 seasonDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.6×
[**Open Trend **](https://flapen.com/research/us/pet-supplies/eufy-pet-water-fountain-filters/trend)
## **Top eufy pet water fountain filters search terms**
- **eufy pet water fountain filter**2K/yr-32.0%22.6% conv. - **eufy water fountain filters**2K/yr-23.2%31.6% conv. - **eufy cat water fountain filters**1K/yr-6.8%24.0% conv. - **eufy pet fountain filter replacement**255/yr-89.0%37.5% conv. [**All search terms **](https://flapen.com/research/us/pet-supplies/eufy-pet-water-fountain-filters/search-terms)
## **Top eufy pet water fountain 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%15%$3K30%$6K45%$10K60%$13K101001K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 4 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**12 Pack Cat Water Fountain Filters for eufy Stainless Steel Water Dispensers 3L/105oz Triple Filtration System Pet Fountain Filter Replacement for Cats Or Dogs**Fenkabs**$18.48**4.7★202 rev](https://www.amazon.com/dp/B0CYZS413R) [2**15-Pack Cat Water Fountain Filters Compatible with eufy Stainless Steel Pet Fountain 3L/105oz Pet Water Fountain Filter with Triple Filtration System for Cats and Dogs**Caehomly**$18.55**4.4★29 rev](https://www.amazon.com/dp/B0FCY2NKVL) [3**10 Pack Pet Water Fountain Filter Replacements Compatible with Eufy Pet Water Fountain Providing a Triple Filtration System to Ensure Fresher and Purer for Dogs and Cats**Vofiiln**$14.94**4.6★78 rev](https://www.amazon.com/dp/B0D2PZBBLB) [4**8 Packs Replacement Pet Water Fountain Filter Compatible with eufy Pet Water Fountain for Dogs and Cats**mestrol**$15.85**4.5★122 rev](https://www.amazon.com/dp/B0CSZ8JS9M)
### **Newest**
by launch date
[**15-Pack Cat Water Fountain Filters Compatible with eufy Stainless Steel Pet Fountain 3L/105oz Pet Water Fountain Filter with Triple Filtration System for Cats and Dogs**Caehomly**$18.55**29 rev1y ago](https://www.amazon.com/dp/B0FCY2NKVL) [**10 Pack Pet Water Fountain Filter Replacements Compatible with Eufy Pet Water Fountain Providing a Triple Filtration System to Ensure Fresher and Purer for Dogs and Cats**Vofiiln**$14.94**78 rev2y ago](https://www.amazon.com/dp/B0D2PZBBLB) [**12 Pack Cat Water Fountain Filters for eufy Stainless Steel Water Dispensers 3L/105oz Triple Filtration System Pet Fountain Filter Replacement for Cats Or Dogs**Fenkabs**$18.48**202 rev2y ago](https://www.amazon.com/dp/B0CYZS413R) [**8 Packs Replacement Pet Water Fountain Filter Compatible with eufy Pet Water Fountain for Dogs and Cats**mestrol**$15.85**122 rev2y ago](https://www.amazon.com/dp/B0CSZ8JS9M)
### **Trending**
90-day click momentum
[**8 Packs Replacement Pet Water Fountain Filter Compatible with eufy Pet Water Fountain for Dogs and Cats**mestrol**$15.85**4.5★**▲ 31%**](https://www.amazon.com/dp/B0CSZ8JS9M) [**15-Pack Cat Water Fountain Filters Compatible with eufy Stainless Steel Pet Fountain 3L/105oz Pet Water Fountain Filter with Triple Filtration System for Cats and Dogs**Caehomly**$18.55**4.4★**▲ 20%**](https://www.amazon.com/dp/B0FCY2NKVL) [**12 Pack Cat Water Fountain Filters for eufy Stainless Steel Water Dispensers 3L/105oz Triple Filtration System Pet Fountain Filter Replacement for Cats Or Dogs**Fenkabs**$18.48**4.7★**— 1%**](https://www.amazon.com/dp/B0CYZS413R) [**10 Pack Pet Water Fountain Filter Replacements Compatible with Eufy Pet Water Fountain Providing a Triple Filtration System to Ensure Fresher and Purer for Dogs and Cats**Vofiiln**$14.94**4.6★**▼ 42%**](https://www.amazon.com/dp/B0D2PZBBLB)
## **What buyers say about eufy pet water fountain filters**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Filtration**28%
*“Nice filters”*
**Size-Overall**13%
*“each one fits perfectly”*
**Ease Of Cleaning**13%
*“Works well to keep my cats water fountain clean”*
**Durability**10%
*“And it is still working”*
**Freshness**10%
*“Keeps my fur babies water clean & fresh”*
**Value For Money**8%
*“the price is great for a 12 pack it last a year”*
**Advertised Vs Actual Product**5%
*“Just what I needed”*
**Quality-Overall**5%
*“Good product”*
**Pet Friendly**3%
*“Good replacement for Eufy pet water fountain”*
**Water Flow**3%
*“Having a reliable stockpile that keeps the water clear”*
### **What buyers complain about **
**Water Resistance**33%
*“These leave a weird film in the water”*
**Filtration**33%
*“couldn't find any filters for it”*
**Value For Money**17%
*“Very expensive, about $1.00 each”*
**Ease Of Cleaning**17%
*“so the water does get dirty”*
### **Top return reasons **
**Size-Overall**63%
**Filtration**17%
**Compatibility-Overall**15%
**Value For Money**3%
**Advertised Vs Actual Product**3%
## **Common questions**
- **Is eufy pet water fountain filters profitable to sell on Amazon United States?**
- The niche generates $21K/yr across 4 tracked products. 90-day search growth is -28.3%. Flapen's verdict: Skip it (39/100).
- **How competitive is the eufy pet water fountain filters niche?**
- 4 brands and 5 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in eufy pet water fountain filters?**
- Top complaints mined from reviews: Water Resistance, Filtration, Value For Money. The return rate is 0.8%.
- **When does demand for eufy pet water fountain filters peak?**
- Demand is steady year-round — the busiest month runs 1.6× the quietest.
- **What does it cost to enter the eufy pet water fountain filters niche?**
- Listings span $14.94–$18.55; the average listing price is $16.96 (sweet spot $15–$100). The average incumbent carries 108 reviews — the moat a new listing must climb.
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