---
title: "Petkit Water Fountain Filters — $342K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/pet-supplies/petkit-water-fountain-filters"
last_updated: "2026-07-21T19:19:56.200Z"
locale: en
meta:
description: "Niche score 49/100 · $342K/yr market · 68K searches/yr · $20.27 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 49/100 · $342K/yr market · 68K searches/yr · $20.27 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Petkit Water Fountain Filters — $342K/yr Amazon US Niche (2026) - Flapen"
---
# **petkit water fountain filters**
**Skip it**
A concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.
Market size 53Growth 42Conversion 100Competition 0Returns 99Price range 95Avg price 88Brand share 0Review moat 74Quality gap 20
**Conversion**
**Incredible****24.9%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Incredible****0.3%**
return rate — above 6% kills the launch gate
**Price range**
**Incredible****$17.87–$24.06**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Avg price**
**Great****$20.27**
avg listing price — sweet spot $15–$100
**Review moat**
**Good****541.4**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Good****$342K**
$342K/yr · 68K searches
**Growth**
**Okay****+14.0%**
90-day search growth — must beat 0% to launch
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**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, petkit water fountain filters is a $342K/yr Amazon United States market (68K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 49/100.
Data updated Jul 9, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **petkit water fountain filters market data**
- **Units sold / yr**
- **15K–20K**
- avg 2,500–3,000/product
- **Revenue / yr**
- **$304K–$405K**
- units × avg price
- **Launch success**
- **—**
- 0 of 0 new (360d)
- **Conversion rate**
- **24.9%**
- **Avg BSR**
- **#185**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **100%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **28 months**
- **Avg seller age**
- **217 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**
**5**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**100%**
Top 20: 100%
**Open market**
**0%**
- PETKIT75% - AWoHH19% - Caehomly6%
## **Demand & seasonality**
Weekly Amazon search volume, last 67 weeks — +14.0% search growth over the last 90 days.
2K2KPrime Day '25Spike '25Spike '26 seasonAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun
No pronounced peak months · busiest ÷ quietest = 1.2×
[**Open Trend **](https://flapen.com/research/us/pet-supplies/petkit-water-fountain-filters/trend)
## **Top petkit 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%$51K30%$103K45%$154K60%$205K101001K10K 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**PETKIT Upgraded Filter Units 3.0 for PETKIT Pet Water Fountains Eversweet 2S/3/3 Pro Eversweet Solo/Solo2/Solo SE & CYBERTAIL Replacement Filters (5 pcs)**PETKIT**$19.39**4.7★1,650 rev](https://www.amazon.com/dp/B0BVQPJRLH) [2**PETKIT Filter Unit Rect for EVERSWEET MAX Cordless Water Fountain Replacement for 105 fl oz/3L Automatic Cat Fountain 5 pack**PETKIT**$19.31**4.8★346 rev](https://www.amazon.com/dp/B0CXJC1CW5) [3**AWoHH 12 PCS Upgraded Filter Unit 3.0 Pet Cat Water Fountain Filters Fit For Solo 2/Solo SE 3 Pro/2S/3 Including Replacement Filters and Replaced Foam Pump Filter (12 pcs)**AWoHH**$20.74**4.6★440 rev](https://www.amazon.com/dp/B0D9M36F3M) [4**12 PCS Upgraded Filter Unit 3.0 Fit for Pet Cat Water Fountain E versweet Solo 2/Solo SE E versweet 2S/3/3 Pro 12 PCS Replacement Filter and 12 PCS Foam Pump Filters**Caehomly**$17.87**4.7★181 rev](https://www.amazon.com/dp/B0F1XHJL42) [5**12 PCS Upgraded Pet Cat Kit Water Fountain Filters Unit Rect Fit For MAX 105 fl oz/3L Automatic Pet Fountain Include Replacement Filters and Replaced Foam Pump Filter**AWoHH**$24.06**4.6★90 rev](https://www.amazon.com/dp/B0DZ5XG4Z2)
### **Newest**
by launch date
[**12 PCS Upgraded Filter Unit 3.0 Fit for Pet Cat Water Fountain E versweet Solo 2/Solo SE E versweet 2S/3/3 Pro 12 PCS Replacement Filter and 12 PCS Foam Pump Filters**Caehomly**$17.87**181 rev1y ago](https://www.amazon.com/dp/B0F1XHJL42) [**12 PCS Upgraded Pet Cat Kit Water Fountain Filters Unit Rect Fit For MAX 105 fl oz/3L Automatic Pet Fountain Include Replacement Filters and Replaced Foam Pump Filter**AWoHH**$24.06**90 rev1y ago](https://www.amazon.com/dp/B0DZ5XG4Z2) [**AWoHH 12 PCS Upgraded Filter Unit 3.0 Pet Cat Water Fountain Filters Fit For Solo 2/Solo SE 3 Pro/2S/3 Including Replacement Filters and Replaced Foam Pump Filter (12 pcs)**AWoHH**$20.74**440 rev1y ago](https://www.amazon.com/dp/B0D9M36F3M) [**PETKIT Filter Unit Rect for EVERSWEET MAX Cordless Water Fountain Replacement for 105 fl oz/3L Automatic Cat Fountain 5 pack**PETKIT**$19.31**346 rev2y ago](https://www.amazon.com/dp/B0CXJC1CW5) [**PETKIT Upgraded Filter Units 3.0 for PETKIT Pet Water Fountains Eversweet 2S/3/3 Pro Eversweet Solo/Solo2/Solo SE & CYBERTAIL Replacement Filters (5 pcs)**PETKIT**$19.39**1,650 rev3y ago](https://www.amazon.com/dp/B0BVQPJRLH)
### **Trending**
90-day click momentum
[**AWoHH 12 PCS Upgraded Filter Unit 3.0 Pet Cat Water Fountain Filters Fit For Solo 2/Solo SE 3 Pro/2S/3 Including Replacement Filters and Replaced Foam Pump Filter (12 pcs)**AWoHH**$20.74**4.6★**▲ 20%**](https://www.amazon.com/dp/B0D9M36F3M) [**PETKIT Filter Unit Rect for EVERSWEET MAX Cordless Water Fountain Replacement for 105 fl oz/3L Automatic Cat Fountain 5 pack**PETKIT**$19.31**4.8★**— 2%**](https://www.amazon.com/dp/B0CXJC1CW5) [**PETKIT Upgraded Filter Units 3.0 for PETKIT Pet Water Fountains Eversweet 2S/3/3 Pro Eversweet Solo/Solo2/Solo SE & CYBERTAIL Replacement Filters (5 pcs)**PETKIT**$19.39**4.7★**— 1%**](https://www.amazon.com/dp/B0BVQPJRLH) [**12 PCS Upgraded Filter Unit 3.0 Fit for Pet Cat Water Fountain E versweet Solo 2/Solo SE E versweet 2S/3/3 Pro 12 PCS Replacement Filter and 12 PCS Foam Pump Filters**Caehomly**$17.87**4.7★**▼ 21%**](https://www.amazon.com/dp/B0F1XHJL42) [**12 PCS Upgraded Pet Cat Kit Water Fountain Filters Unit Rect Fit For MAX 105 fl oz/3L Automatic Pet Fountain Include Replacement Filters and Replaced Foam Pump Filter**AWoHH**$24.06**4.6★**▼ 22%**](https://www.amazon.com/dp/B0DZ5XG4Z2)
## **What buyers say about petkit water fountain filters**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**21%
*“Fits well”*
**Value For Money**21%
*“very affordable”*
**Filtration**18%
*“Love that it came with both filters”*
**Quality-Overall**13%
*“Good quality”*
**Advertised Vs Actual Product**7%
*“Works as expected”*
**Ease Of Cleaning**5%
*“What I like most is that theyre very easy to clean”*
**Ease Of Use**3%
*“Easy to change”*
**Pet Friendly**3%
*“My cat seems happy with it”*
**Compatibility-Overall**1%
*“Works well with my water fountains”*
**Efficiency**1%
*“seems to be working well”*
### **What buyers complain about **
**Filtration**34%
*“seems light on filtration medium”*
**Value For Money**17%
*“They are too expensive to only last three days”*
**Size-Overall**8%
*“thought they would fit my unit but they did not”*
**Quality-Overall**7%
*“Inferior quality”*
**Durability**4%
*“The filter became moldy after only 5 days of use. I checked it on day 5,”*
**Smell**4%
*“Whats odd though is the filter looks clean from the outside so I cant see the mold growing I can just smell it”*
**Water Flow**4%
*“When the filtering efficiency is low, the water cannot go down and thus leak to the cables and base”*
**Leak-Proof**3%
*“one of the filters in the box leaked charcoal granules into the stored water”*
### **Top return reasons **
**Size-Overall**56%
**Filtration**21%
**Compatibility-Overall**13%
**Water Resistance**2%
**Advertised Vs Actual Product**2%
**Ease Of Use**1%
**Shape/Style**1%
**Thickness**1%
**Color**1%
**Dispensing Mechanism**1%
## **Common questions**
- **Is petkit water fountain filters profitable to sell on Amazon United States?**
- The niche generates $342K/yr across 5 tracked products. 90-day search growth is +14.0%. Flapen's verdict: Skip it (49/100).
- **How competitive is the petkit water fountain filters niche?**
- 3 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 petkit water fountain filters?**
- Top complaints mined from reviews: Filtration, Value For Money, Size-Overall. The return rate is 0.3%.
- **When does demand for petkit water fountain filters peak?**
- Demand is steady year-round — the busiest month runs 1.2× the quietest.
- **What does it cost to enter the petkit water fountain filters niche?**
- Listings span $17.87–$24.06; the average listing price is $20.27 (sweet spot $15–$100). The average incumbent carries 541 reviews — the moat a new listing must climb.
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