---
title: "Wonder Creature Pet Fountain Filters — $37K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/pet-supplies/wonder-creature-pet-fountain-filters"
last_updated: "2026-07-21T17:17:22.252Z"
locale: en
meta:
  description: "Niche score 32/100 · $37K/yr market · 19K searches/yr · $11.36 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 32/100 · $37K/yr market · 19K searches/yr · $11.36 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Wonder Creature Pet Fountain Filters — $37K/yr Amazon US Niche (2026) - Flapen"
---

# **wonder creature pet fountain filters**

**Skip it**

Prices mostly outside the sweet spot ($7.89–$13.93) — this niche doesn't clear our bar today.

Market size 9Growth 24Conversion 98Competition 19Returns 80Price range 0Avg price 45Brand share 6Review moat 25Quality gap 20

**Conversion**

**Incredible****17.2%**

search→purchase rate — share of searches ending in a sale

**Returns**

**Great****1.7%**

return rate — above 6% kills the launch gate

**Avg price**

**Okay****$11.36**

avg listing price — sweet spot $15–$100

**Review moat**

**Bad****4,853.46**

avg incumbent reviews — the moat a new listing must climb

**Growth**

**Bad****-2.4%**

90-day search growth — must beat 0% to launch

**Quality gap**

**Bad****4.7★**

avg incumbent rating — lower means beatable quality

**Competition**

**Bad****77%**

top-5 click share — a locked-up shelf

**Market size**

**Bad****$37K**

$37K/yr · 19K searches

**Brand share**

**Bad****98%**

top-5 brand share — brand-locked demand

**Price range**

**Bad****$7.89–$13.93**

cheapest to priciest tracked listing — scored on the share inside $15–$100

According to Flapen's Amazon United States niche tracking, wonder creature pet fountain filters is a $37K/yr Amazon United States market (19K searches/yr). The top 5 brands hold 98% of demand. Verdict: Skip it — 32/100.

Data updated Jul 9, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **wonder creature pet fountain filters market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**3K–4K**</dd><dd>avg 250–500/product</dd>

<dt>**Revenue / yr**</dt><dd>**$34K–$45K**</dd><dd>units × avg price</dd>

<dt>**Launch success**</dt><dd>**—**</dd><dd>0 of 0 new (360d)</dd>

<dt>**Conversion rate**</dt><dd>**17.2%**</dd>

<dt>**Avg BSR**</dt><dd>**#159**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**100%**</dd>

<dt>**Sponsored**</dt><dd>**92%**</dd>

<dt>**Out of stock**</dt><dd>**0.0%**</dd>

<dt>**Avg brand age**</dt><dd>**37 months**</dd>

<dt>**Avg seller age**</dt><dd>**207 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products capture 77% of clicks — a locked-up shelf that new listings rarely crack.

**Brands**

**6 **▲rising

**Sellers**

**9**

**Top-5 brand share**

**98%**

Top 20: 100%

**Top-5 click share**

**77%**

Top 20: 100%

**Open market**

**0%**

- Wonder Creature79% - Beyolike8% - Monsin6% - OYES3% - Baofum3% - Cirfifth2% - Open — no brand owns it (0%)

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — -2.4% search growth over the last 90 days.

600400Prime Day '24Holiday '24Prime Day '25Black Friday '25 seasonSepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.4×

[**Open Trend **](https://flapen.com/research/us/pet-supplies/wonder-creature-pet-fountain-filters/trend)

## **Top wonder creature pet 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%10%$4K20%$7K30%$11K40%$15K1001K10K100K 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![Wonder Creature Cat Water Fountain Filter Replacement 8 Round Carbon Filters and 4 Upgraded Pre-Filter Sponges for Round Stainless Steel Top Cat Fountain](https://m.media-amazon.com/images/I/41IxDya2t+L.jpg)**Wonder Creature Cat Water Fountain Filter Replacement 8 Round Carbon Filters and 4 Upgraded Pre-Filter Sponges for Round Stainless Steel Top Cat Fountain**Wonder Creature**$12.82**4.7★1,149 rev](https://www.amazon.com/dp/B09Y1FJNHN) [2![Wonder Creature Cat Water Fountain Filter Replacement 6/8/12/16/8+4 Pack Round Carbon Filters for 81oz/2.4L Stainless Steel Top Automatic Pet Fountain (6 Pack)](https://m.media-amazon.com/images/I/31Pd+0mr0XL.jpg)**Wonder Creature Cat Water Fountain Filter Replacement 6/8/12/16/8+4 Pack Round Carbon Filters for 81oz/2.4L Stainless Steel Top Automatic Pet Fountain (6 Pack)**Wonder Creature**$7.89**4.7★13,592 rev](https://www.amazon.com/dp/B07MBC5LQ4) [3![12 Pack Cat Water Fountain Filter 8 Pcs Cat Fountain Filters Replacement Dia is 5 & 4 Pcs Pre-Filter Sponges for 81oz / 2.4L Round Automatic Pet Water Fountain Dog Dispenser 3-Filtration System](https://m.media-amazon.com/images/I/41IFcXJibRL.jpg)**12 Pack Cat Water Fountain Filter 8 Pcs Cat Fountain Filters Replacement Dia is 5 & 4 Pcs Pre-Filter Sponges for 81oz / 2.4L Round Automatic Pet Water Fountain Dog Dispenser 3-Filtration System**Beyolike**$12.48**4.7★635 rev](https://www.amazon.com/dp/B0F1YJ484M) [4![Cat/Pet Water Fountain Filters 12 Pieces Set Pack of 8 Replacement Filter Fit for 81oz/2.4L 3 Filtration System with 4 Pre-Filter Sponges](https://m.media-amazon.com/images/I/41LtyQRgaWL.jpg)**Cat/Pet Water Fountain Filters 12 Pieces Set Pack of 8 Replacement Filter Fit for 81oz/2.4L 3 Filtration System with 4 Pre-Filter Sponges**Monsin**$12.79**4.6★11,251 rev](https://www.amazon.com/dp/B096ZVF25N) [5![Wonder Creature Cat Fountain Filter Replacement 6/8/6+6/12+12 Pack for Crystal Cat Water Fountain 3L/101oz Pet Water Fountain Filters (6 Pack)](https://m.media-amazon.com/images/I/41vfwVr9bUL.jpg)**Wonder Creature Cat Fountain Filter Replacement 6/8/6+6/12+12 Pack for Crystal Cat Water Fountain 3L/101oz Pet Water Fountain Filters (6 Pack)**Wonder Creature**$8.28**4.7★2,025 rev](https://www.amazon.com/dp/B08T5NSH92)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![12 Pack Cat Water Fountain Filter 8 Pcs Cat Fountain Filters Replacement Dia is 5 & 4 Pcs Pre-Filter Sponges for 81oz / 2.4L Round Automatic Pet Water Fountain Dog Dispenser 3-Filtration System](https://m.media-amazon.com/images/I/41IFcXJibRL.jpg)**12 Pack Cat Water Fountain Filter 8 Pcs Cat Fountain Filters Replacement Dia is 5 & 4 Pcs Pre-Filter Sponges for 81oz / 2.4L Round Automatic Pet Water Fountain Dog Dispenser 3-Filtration System**Beyolike**$12.48**635 rev1y ago](https://www.amazon.com/dp/B0F1YJ484M) [![Wonder Creature Cat Water Fountain Filter Replacement 6/8/6+6/12+12 Pack for Crystal Cat Fountain 3L/101oz Pet Water Dispenser Filters (6+6 Pack)](https://m.media-amazon.com/images/I/41OjSD5iCRL.jpg)**Wonder Creature Cat Water Fountain Filter Replacement 6/8/6+6/12+12 Pack for Crystal Cat Fountain 3L/101oz Pet Water Dispenser Filters (6+6 Pack)**Wonder Creature**$10.58**2,025 rev1y ago](https://www.amazon.com/dp/B0DWSDX2YG) [![Cat Pet Water Fountain Filters 6 Pack Replacement Filters Fit for 101oz/3L Crystal Cat Fountain Triple Filtration System (6 Filters+6 Sponges)](https://m.media-amazon.com/images/I/41tmbU6NF9L.jpg)**Cat Pet Water Fountain Filters 6 Pack Replacement Filters Fit for 101oz/3L Crystal Cat Fountain Triple Filtration System (6 Filters+6 Sponges)**Baofum**$9.84**824 rev1y ago](https://www.amazon.com/dp/B0D95CZ8QX) [![Cat Water Fountain Filter for Wonder-Creature 81 oz/2.4L Round Stainless Steel Top Cat Fountain 8 Carbon Filters 4 Foam Filters Pack Cat Fountain Replacement Filters](https://m.media-amazon.com/images/I/51RYrKHcBlL.jpg)**Cat Water Fountain Filter for Wonder-Creature 81 oz/2.4L Round Stainless Steel Top Cat Fountain 8 Carbon Filters 4 Foam Filters Pack Cat Fountain Replacement Filters**OYES**$12.09**1,561 rev3y ago](https://www.amazon.com/dp/B0BYZN4WM2) [![Wonder Creature Cat Water Fountain Filter Replacement 8 Round Carbon Filters and 4 Upgraded Pre-Filter Sponges for Round Stainless Steel Top Cat Fountain](https://m.media-amazon.com/images/I/41IxDya2t+L.jpg)**Wonder Creature Cat Water Fountain Filter Replacement 8 Round Carbon Filters and 4 Upgraded Pre-Filter Sponges for Round Stainless Steel Top Cat Fountain**Wonder Creature**$12.82**1,149 rev4y ago](https://www.amazon.com/dp/B09Y1FJNHN)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Wonder Creature Cat Water Fountain Filter Replacement 6/8/6+6/12+12 Pack for Crystal Cat Fountain 3L/101oz Pet Water Dispenser Filters (6+6 Pack)](https://m.media-amazon.com/images/I/41OjSD5iCRL.jpg)**Wonder Creature Cat Water Fountain Filter Replacement 6/8/6+6/12+12 Pack for Crystal Cat Fountain 3L/101oz Pet Water Dispenser Filters (6+6 Pack)**Wonder Creature**$10.58**4.7★**▲ 133%**](https://www.amazon.com/dp/B0DWSDX2YG) [![Wonder Creature Cat Water Fountain Filter 8 Replacement Filters & 4 Replacement Pre-Filter Sponges Pack for 2.5L Cubic Pet Fountain Stainless Steel Top Elliptical Automatic Cat Water Dispenser](https://m.media-amazon.com/images/I/31pc-DFBPnL.jpg)**Wonder Creature Cat Water Fountain Filter 8 Replacement Filters & 4 Replacement Pre-Filter Sponges Pack for 2.5L Cubic Pet Fountain Stainless Steel Top Elliptical Automatic Cat Water Dispenser**Wonder Creature**$11.33**4.7★**▲ 82%**](https://www.amazon.com/dp/B091K7MFDD) [![Cat Water Fountain Filter for Wonder-Creature 81 oz/2.4L Round Stainless Steel Top Cat Fountain 8 Carbon Filters 4 Foam Filters Pack Cat Fountain Replacement Filters](https://m.media-amazon.com/images/I/51RYrKHcBlL.jpg)**Cat Water Fountain Filter for Wonder-Creature 81 oz/2.4L Round Stainless Steel Top Cat Fountain 8 Carbon Filters 4 Foam Filters Pack Cat Fountain Replacement Filters**OYES**$12.09**4.7★**▲ 79%**](https://www.amazon.com/dp/B0BYZN4WM2) [![12 Pack Cat Water Fountain Filter 8 Pcs Cat Fountain Filters Replacement Dia is 5 & 4 Pcs Pre-Filter Sponges for 81oz / 2.4L Round Automatic Pet Water Fountain Dog Dispenser 3-Filtration System](https://m.media-amazon.com/images/I/41IFcXJibRL.jpg)**12 Pack Cat Water Fountain Filter 8 Pcs Cat Fountain Filters Replacement Dia is 5 & 4 Pcs Pre-Filter Sponges for 81oz / 2.4L Round Automatic Pet Water Fountain Dog Dispenser 3-Filtration System**Beyolike**$12.48**4.7★**— 5%**](https://www.amazon.com/dp/B0F1YJ484M) [![Wonder Creature Cat Water Fountain Filter Replacement 6/8/12/16/8+4 Pack Round Carbon Filters for 81oz/2.4L Stainless Steel Top Automatic Pet Fountain (6 Pack)](https://m.media-amazon.com/images/I/31Pd+0mr0XL.jpg)**Wonder Creature Cat Water Fountain Filter Replacement 6/8/12/16/8+4 Pack Round Carbon Filters for 81oz/2.4L Stainless Steel Top Automatic Pet Fountain (6 Pack)**Wonder Creature**$7.89**4.7★**— 4%**](https://www.amazon.com/dp/B07MBC5LQ4)

**~~View all trending →~~**

## **What buyers say about wonder creature pet fountain filters**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Filtration**21%

*“Filters well”*

**Quality-Overall**18%

*“Good quality”*

**Size-Overall**15%

*“Fit nicely”*

**Value For Money**10%

*“the pricing is affordable”*

**Advertised Vs Actual Product**7%

*“Exactly what we needed”*

**Pet Friendly**7%

*“Excellent for my cats fountain”*

**Ease Of Use**6%

*“Ease of use”*

**Water Flow**4%

*“They enjoy moving water”*

**Ease Of Cleaning**3%

*“Easy to clean”*

**Durability**2%

*“They look more durable”*

### **What buyers complain about **

**Size-Overall**52%

*“Small”*

**Filtration**12%

*“Wrong filter for fountain I already had so I had to buy a new one because the needed filters arent I supply anymore”*

**Quality-Overall**7%

*“but is actually the lower quality all black sponge filter”*

**Durability**6%

*“Went bad after a year of use”*

**Advertised Vs Actual Product**5%

*“Product does not match description”*

**Value For Money**4%

*“A waste of money for me”*

**Smell**4%

*“My whole package smelled like weed”*

**Compatibility-Overall**1%

*“Not compatible with Catit green fountain”*

### **Top return reasons **

**Size-Overall**80%

**Filtration**11%

**Compatibility-Overall**5%

**Advertised Vs Actual Product**3%

**Shape/Style**1%

**Functionality-Overall**0%

**Water Flow**0%

**Value For Money**0%

**Defective Material/Parts**0%

**Quality-Overall**0%

## **Common questions**

<dl>

<dt>**Is wonder creature pet fountain filters profitable to sell on Amazon United States?**</dt><dd>The niche generates $37K/yr across 13 tracked products. 90-day search growth is -2.4%. Flapen's verdict: Skip it (32/100).</dd>

<dt>**How competitive is the wonder creature pet fountain filters niche?**</dt><dd>6 brands and 9 sellers compete. The top 5 products take 77% of clicks and top 5 brands hold 98% of demand.</dd>

<dt>**What do buyers complain about in wonder creature pet fountain filters?**</dt><dd>Top complaints mined from reviews: Size-Overall, Filtration, Quality-Overall. The return rate is 1.7%.</dd>

<dt>**When does demand for wonder creature pet fountain filters peak?**</dt><dd>Demand is steady year-round — the busiest month runs 1.4× the quietest.</dd>

<dt>**What does it cost to enter the wonder creature pet fountain filters niche?**</dt><dd>Listings span $7.89–$13.93; the average listing price is $11.36 (sweet spot $15–$100). The average incumbent carries 4,853 reviews — the moat a new listing must climb.</dd>

</dl>

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