---
title: "Catit Water Fountain Filter — £86K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/pet-supplies/catit-water-fountain-filter"
last_updated: "2026-07-31T13:16:19.977Z"
locale: en
meta:
description: "Niche score 39/100 · £86K/yr market · 51K searches/yr · £8.97 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 39/100 · £86K/yr market · 51K searches/yr · £8.97 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Catit Water Fountain Filter — £86K/yr Amazon UK Niche (2026) - Flapen"
---
# **catit water fountain filter**
**Skip it**
Brand-locked demand (top 5 brands take 96% of clicks) — this niche doesn't clear our bar today.
Market size 21Growth 35Conversion 99Competition 25Returns 98Price range 24Avg price 25Brand share 10Review moat 20Quality gap 24
**Conversion**
**Incredible****18.7%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Incredible****0.4%**
return rate — above 5% kills the launch gate
**Growth**
**Okay****+8.0%**
90-day search growth — must beat 0% to launch
**Competition**
**Bad****70%**
top-5 click share — a locked-up shelf
**Avg price**
**Okay****£8.97**
avg listing price — sweet spot $15–$100
**Quality gap**
**Bad****4.6★**
avg incumbent rating — lower means beatable quality
**Price range**
**Bad****£4.01–£18.50**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Market size**
**Bad****£86K**
£86K/yr · 51K searches
**Review moat**
**Bad****13,006.85**
avg incumbent reviews — the moat a new listing must climb
**Brand share**
**Bad****96%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United Kingdom niche tracking, catit water fountain filter is a £86K/yr Amazon United Kingdom market (51K searches/yr). The top 5 brands hold 96% of demand. Verdict: Skip it — 39/100.
Data updated Jul 28, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **catit water fountain filter market data**
- **Units sold / yr**
- **10K–13K**
- avg 500–750/product
- **Revenue / yr**
- **£90K–£112K**
- units × avg price
- **Conversion rate**
- **18.7%**
- **Avg BSR**
- **#79**
- **Page quality**
- **0%**
- **Prime**
- **92%**
- **Sponsored**
- **69%**
- **Out of stock**
- **10.1%**
- **Avg brand age**
- **26 months**
- **Avg seller age**
- **208 days**
## **Competition & brand share**
The top 5 products capture 70% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**7 **▼falling
**Sellers**
**40**
**Top-5 brand share**
**96%**
Top 20: 100%
**Top-5 click share**
**70%**
Top 20: 100%
**Open market**
**2%**
- Catit74% - BONBELONG7% - Kunoli6% - benlidoner5% - SAIERTE5% - VILLAPOOL2% - Open — no brand owns it (1 brand, 2%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +8.0% search growth over the last 90 days.
2K1KPrime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.2×
[**Open Trend **](https://flapen.com/research/uk/pet-supplies/catit-water-fountain-filter/trend)
## **Top catit water fountain filter search terms**
- **catit water fountain filter**42K/yr+5.8%15.3% conv. - **catit filter**6K/yr+32.3%14.4% conv. - **catit filters for water fountain**2K/yr-9.1%20.0% conv. - **catit fountain filters**2K/yr+10.8%18.4% conv. [**All search terms **](https://flapen.com/research/uk/pet-supplies/catit-water-fountain-filter/search-terms)
## **Top catit water fountain 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%10%£9K20%£17K30%£26K40%£34K1101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 13 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Genuine Catit Fountain Filters for 3 Litre Flower Fountain Fresh and Clear Fountains Only Pack of 5**Catit**£8.65**4.7★46,567 rev](https://www.amazon.co.uk/dp/B0748H3GKN) [2**Catit PIXI Genuine Replacement Water Fountain Filter Cartridges 6 Pack**Catit**£6.45**4.8★11,370 rev](https://www.amazon.co.uk/dp/B095CFB3VZ) [3**Catit Genuine Fountain Filters For 3L Flower Fountain And Fresh & Clear Fountains Only 12Pk**Catit**£18.50**4.7★46,567 rev](https://www.amazon.co.uk/dp/B07FDH8X9D) [4**BONBELONG Cat Water Fountain Filters Cat Fountain Filter Replacement Pet Filters for Water Dispenser Drinking 8PACK**BONBELONG**£8.24**4.2★2,900 rev](https://www.amazon.co.uk/dp/B0925DNJ2Y) [5**catit Pixi Genuine Replacement Frameless Water Fountain Cartridges 6 pack**Catit**£7.97**4.4★595 rev](https://www.amazon.co.uk/dp/B0C3W47VTN)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**12-Pack Cat Water Fountain Replacement Filters with 2 Cleaning Brushes Triple Filtration Inserts for Pet Drinking Fountains**SAIERTE**£8.64**7 rev7mo ago](https://www.amazon.co.uk/dp/B0G58ZJ5GM) [**25 Cat Filters Compatible with catit pixi Water Fountain**VILLAPOOL**£11.55**50 rev1y ago](https://www.amazon.co.uk/dp/B0FHJTHGFY) [**12 Pcs for Catit Water Fountain Filter Replacement Cat Water Fountain Filters Replacement Cartridges Triple Action Cartridges Filter for Catit PIXI Drinking Filters**Wukemaoyi**£6.98**202 rev1y ago](https://www.amazon.co.uk/dp/B0DNPTZH6G) [**benlidoner 18pcs Cat Water Fountain Filter Replacement for Catit PIXI - Triple Filtration System with 2 Hose Compatible with Drinking & Pet Fountains**benlidoner**£8.57**100 rev1y ago](https://www.amazon.co.uk/dp/B0DXF4LCJN) [**Catit PIXI Genuine Replacement Water Fountain Filter Cartridges 12 Pack**Catit**£14.56**11,370 rev1y ago](https://www.amazon.co.uk/dp/B0DCMDTRQN)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**BONBELONG Cat Water Fountain Filters Cat Fountain Filter Replacement Pet Filters for Water Dispenser Drinking 8PACK**BONBELONG**£8.24**4.2★**▲ 191%**](https://www.amazon.co.uk/dp/B0925DNJ2Y) [**12 Pcs for Catit Water Fountain Filter Replacement Cat Water Fountain Filters Replacement Cartridges Triple Action Cartridges Filter for Catit PIXI Drinking Filters**Wukemaoyi**£6.98**4.7★**▲ 179%**](https://www.amazon.co.uk/dp/B0DNPTZH6G) [**12-Pack Cat Water Fountain Replacement Filters with 2 Cleaning Brushes Triple Filtration Inserts for Pet Drinking Fountains**SAIERTE**£8.64**4.8★**▲ 166%**](https://www.amazon.co.uk/dp/B0G58ZJ5GM) [**catit Pixi Genuine Replacement Frameless Water Fountain Cartridges 6 pack**Catit**£7.97**4.4★**▲ 23%**](https://www.amazon.co.uk/dp/B0C3W47VTN) [**Catit PIXI Genuine Replacement Water Fountain Filter Cartridges 6 Pack**Catit**£6.45**4.8★**— 9%**](https://www.amazon.co.uk/dp/B095CFB3VZ)
**~~View all trending →~~**
## **What buyers say about catit water fountain filter**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Filtration**27%
*“The filters work as expected”*
**Quality-Overall**18%
*“Excellent quality”*
**Value For Money**16%
*“Great value”*
**Advertised Vs Actual Product**14%
*“Just as described”*
**Size-Overall**11%
*“They fit well”*
**Ease Of Cleaning**5%
*“Easy to use after washing and drying the water filter unit, it is durable and functions well”*
**Ease Of Use**2%
*“Easy to use”*
**Compatibility-Overall**1%
*“Excellent Pixi compatible filters”*
**Spray/Flow**1%
*“Water flow is consistent and smooth, and the water stays clean”*
**Design-Overall**1%
*“is well constructed”*
### **What buyers complain about **
**Filtration**32%
*“does not get filtered”*
**Compatibility-Overall**12%
*“NOT compatible with Catit fountain”*
**Durability**11%
*“does not last 30 days”*
**Thickness**9%
*“it cant as too thin and small”*
**Quality-Overall**8%
*“Quality not the same”*
**Color**5%
*“the white bucket was a dusty grey”*
**Value For Money**5%
*“In the 10 years i have been using catit products i have never came across this issue really not worth the money”*
**Strength**3%
*“They are too flimsy”*
**Size-Overall**3%
*“It is much smaller than Catit filter so water just runs around it”*
### **Top return reasons **
**Size-Overall**60%
**Filtration**14%
**Compatibility-Overall**8%
**Advertised Vs Actual Product**5%
**Thin**2%
**Functionality-Overall**2%
**Quality-Overall**2%
**Defective Material/Parts**2%
**Shape/Style**1%
**Water Flow**1%
## **Common questions**
- **Is catit water fountain filter profitable to sell on Amazon United Kingdom?**
- The niche generates £86K/yr across 13 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +8.0%. Flapen's verdict: Skip it (39/100).
- **How competitive is the catit water fountain filter niche?**
- 7 brands and 40 sellers compete. The top 5 products take 70% of clicks and top 5 brands hold 96% of demand.
- **What do buyers complain about in catit water fountain filter?**
- Top complaints mined from reviews: Filtration, Compatibility-Overall, Durability. The return rate is 0.4%.
- **When does demand for catit water fountain filter peak?**
- Demand is steady year-round — the busiest month runs 1.2× the quietest.
- **What does it cost to enter the catit water fountain filter niche?**
- Listings span £4.01–£18.50; the average listing price is £8.97 (sweet spot $15–$100). The average incumbent carries 13,007 reviews — the moat a new listing must climb.
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