--- title: "smartoo replacement filters — Niche Verdict: Skip it (42/100) | Amazon United States - Flapen" canonical_url: "https://flapen.com/amazon/research/us/pet-supplies/smartoo-replacement-filters" last_updated: "2026-07-09T22:57:32.246Z" locale: en meta: description: "a small market ($63K/yr) — smartoo replacement filters doesn't clear our bar today." "og:description": "a small market ($63K/yr) — smartoo replacement filters doesn't clear our bar today." "og:title": "smartoo replacement filters — Niche Verdict: Skip it (42/100) | Amazon United States - Flapen" --- Back to Flapen home # **smartoo replacement filters** **Skip it****42/100 ** a small market ($63K/yr) — smartoo replacement filters doesn't clear our bar today. **Market/yr** **$63K** **Growth (1y)** **+171.8%** **Products** **8** **Brands** **5** was 8 a year ago **Sellers** **7** **Price range** **$15.60–$29.90** **Returns** **0.5%** **Rating** **4.4★** **Skip it** Scored 42/100 across market size, growth, competition, quality gap, and returns. Market sizeGrowthCompetitionQuality gapReturns Market size **3** ×0.30 Growth **73** ×0.30 Competition **22** ×0.20 Quality gap **46** ×0.10 Returns **96** ×0.10 ## **Demand** Weekly Amazon search volume, last 62 weeks — +171.8% year over year. 248124Spike '25Prime Day '25Spike '26May '25Jul '25Sep '25Nov '25Feb '26Apr '26 ## **Seasonality** Monthly demand index across the year — 1.00 is average. JFMAMJJASOND Peak months: Apr · busiest ÷ quietest = 1.6× ## **Competition** - HAVANSIDY39% - smartoo33% - Cunina10% - KTNAid9% - PetNeizance9% - Other0% The top 5 products capture 75% of clicks — a locked-up shelf that new listings rarely crack. 5 brands and 7 sellers compete here. **Brands** **5 **▼falling was 8 a year ago **Sellers** **7** **Top 5 brand share** **100%** #ProductBrandPriceRatingReviewsClick shareTrend 1 ![16 Sets Replacement Filter & Sponges for Smartoo 152oz/4.5L Pet Cat Water Fountain Fountain Filters Compatible with Wireless Stainless Steel Cat Water Fountain PTM-643](https://m.media-amazon.com/images/I/41y45DjtfeL.jpg) [**16 Sets Replacement Filter & Sponges for Smartoo 152oz/4.5L Pet Cat Water Fountain Fountain Filters Compatible with Wireless Stainless Steel Cat Water Fountain PTM-643**](https://www.amazon.com/dp/B0DRKM7NPS) HAVANSIDY$19.094.8★2720%▲rising 2 ![16 Sets Pet Dog Replacement Filters Compatible with Smartoo 7l/236oz/1.8G Dog Water Fountain Water Fountain Filters for Stainless Steel Dog Water Fountain](https://m.media-amazon.com/images/I/41-g4JmuW9L.jpg) [**16 Sets Pet Dog Replacement Filters Compatible with Smartoo 7l/236oz/1.8G Dog Water Fountain Water Fountain Filters for Stainless Steel Dog Water Fountain**](https://www.amazon.com/dp/B0DRP9ZP3J) HAVANSIDY$16.084.7★6718%▲rising 3 ![Smartoo 9 Packs Official Replacement Filters and 9 Packs Sponges for 152oz/4.5L Wireless Cat Water Fountain PTM-643](https://m.media-amazon.com/images/I/41wcRouWIPL.jpg) [**Smartoo 9 Packs Official Replacement Filters and 9 Packs Sponges for 152oz/4.5L Wireless Cat Water Fountain PTM-643**](https://www.amazon.com/dp/B0CX8K8TSP) smartoo$24.884.1★2,15418%▼falling 4 ![Cunina Cat Water Fountain Filter Fit for Smartoo 152oz/4.5L Wireless Cat Fountain PTM-643 Cat Fountain Filter Replacement Fit for Smartoo Replacement Filters Multilayer Filter 8 Filters + 8 Sponge](https://m.media-amazon.com/images/I/41g5BX0PxVL.jpg) [**Cunina Cat Water Fountain Filter Fit for Smartoo 152oz/4.5L Wireless Cat Fountain PTM-643 Cat Fountain Filter Replacement Fit for Smartoo Replacement Filters Multilayer Filter 8 Filters + 8 Sponge**](https://www.amazon.com/dp/B0DG5FNL9W) Cunina$15.604.7★6410%▼falling 5 ![KTNAid 12+12 Filter & Sponges for Smartoo 152oz/4.5L Wireless Cat Water Fountain Quadruple Filtration Cat Fountain Filter Replacement for Smartoo Replacement Filters](https://m.media-amazon.com/images/I/41QkMFxzGUL.jpg) [**KTNAid 12+12 Filter & Sponges for Smartoo 152oz/4.5L Wireless Cat Water Fountain Quadruple Filtration Cat Fountain Filter Replacement for Smartoo Replacement Filters**](https://www.amazon.com/dp/B0DGKXK467) KTNAid$16.614.6★1129%▼falling 6 ![32 Pack Dog Water Filter Replacement Compatible with Smartoo 7L / 236oz / 1.8Gal Stainless Steel Fountain16 Filters + 16 Sponge for Large Dog Water Fountain](https://m.media-amazon.com/images/I/41OxlWTjzyL.jpg) [**32 Pack Dog Water Filter Replacement Compatible with Smartoo 7L / 236oz / 1.8Gal Stainless Steel Fountain16 Filters + 16 Sponge for Large Dog Water Fountain**](https://www.amazon.com/dp/B0F24LQRYS) PetNeizance$25.614.2★199%—flat 7 ![Smartoo Official 9 Packs Dog Water Filter Replacement and 9 Sponges with 1 Pump Holder for 7L/236oz/1.8Gal Stainless Steel Dog Water Fountain](https://m.media-amazon.com/images/I/41QaM5hiT1L.jpg) [**Smartoo Official 9 Packs Dog Water Filter Replacement and 9 Sponges with 1 Pump Holder for 7L/236oz/1.8Gal Stainless Steel Dog Water Fountain**](https://www.amazon.com/dp/B0CNPFYJP8) smartoo$25.564.3★1,3388%—flat 8 ![Smartoo 12 Packs Official Replacement Filters and 12 Packs Sponges for 152oz/4.5L Wireless Cat Water Fountain PTM-643](https://m.media-amazon.com/images/I/41zgqVFFU2L.jpg) [**Smartoo 12 Packs Official Replacement Filters and 12 Packs Sponges for 152oz/4.5L Wireless Cat Water Fountain PTM-643**](https://www.amazon.com/dp/B0DM1YGV6N) smartoo$29.904.1★2,1548%▲rising ## **Product shelf** All 8 tracked products in this niche. Top sellersNewestTrending [![16 Sets Replacement Filter & Sponges for Smartoo 152oz/4.5L Pet Cat Water Fountain Fountain Filters Compatible with Wireless Stainless Steel Cat Water Fountain PTM-643](https://m.media-amazon.com/images/I/41y45DjtfeL.jpg)**16 Sets Replacement Filter & Sponges for Smartoo 152oz/4.5L Pet Cat Water Fountain Fountain Filters Compatible with Wireless Stainless Steel Cat Water Fountain PTM-643** HAVANSIDY**$19.09**4.8★27 reviews](https://www.amazon.com/dp/B0DRKM7NPS) [![16 Sets Pet Dog Replacement Filters Compatible with Smartoo 7l/236oz/1.8G Dog Water Fountain Water Fountain Filters for Stainless Steel Dog Water Fountain](https://m.media-amazon.com/images/I/41-g4JmuW9L.jpg)**16 Sets Pet Dog Replacement Filters Compatible with Smartoo 7l/236oz/1.8G Dog Water Fountain Water Fountain Filters for Stainless Steel Dog Water Fountain** HAVANSIDY**$16.08**4.7★67 reviews](https://www.amazon.com/dp/B0DRP9ZP3J) [![Smartoo 9 Packs Official Replacement Filters and 9 Packs Sponges for 152oz/4.5L Wireless Cat Water Fountain PTM-643](https://m.media-amazon.com/images/I/41wcRouWIPL.jpg)**Smartoo 9 Packs Official Replacement Filters and 9 Packs Sponges for 152oz/4.5L Wireless Cat Water Fountain PTM-643** smartoo**$24.88**4.1★2,154 reviews](https://www.amazon.com/dp/B0CX8K8TSP) [![Cunina Cat Water Fountain Filter Fit for Smartoo 152oz/4.5L Wireless Cat Fountain PTM-643 Cat Fountain Filter Replacement Fit for Smartoo Replacement Filters Multilayer Filter 8 Filters + 8 Sponge](https://m.media-amazon.com/images/I/41g5BX0PxVL.jpg)**Cunina Cat Water Fountain Filter Fit for Smartoo 152oz/4.5L Wireless Cat Fountain PTM-643 Cat Fountain Filter Replacement Fit for Smartoo Replacement Filters Multilayer Filter 8 Filters + 8 Sponge** Cunina**$15.60**4.7★64 reviews](https://www.amazon.com/dp/B0DG5FNL9W) [![KTNAid 12+12 Filter & Sponges for Smartoo 152oz/4.5L Wireless Cat Water Fountain Quadruple Filtration Cat Fountain Filter Replacement for Smartoo Replacement Filters](https://m.media-amazon.com/images/I/41QkMFxzGUL.jpg)**KTNAid 12+12 Filter & Sponges for Smartoo 152oz/4.5L Wireless Cat Water Fountain Quadruple Filtration Cat Fountain Filter Replacement for Smartoo Replacement Filters** KTNAid**$16.61**4.6★112 reviews](https://www.amazon.com/dp/B0DGKXK467) [![32 Pack Dog Water Filter Replacement Compatible with Smartoo 7L / 236oz / 1.8Gal Stainless Steel Fountain16 Filters + 16 Sponge for Large Dog Water Fountain](https://m.media-amazon.com/images/I/41OxlWTjzyL.jpg)**32 Pack Dog Water Filter Replacement Compatible with Smartoo 7L / 236oz / 1.8Gal Stainless Steel Fountain16 Filters + 16 Sponge for Large Dog Water Fountain** PetNeizance**$25.61**4.2★19 reviews](https://www.amazon.com/dp/B0F24LQRYS) [![Smartoo Official 9 Packs Dog Water Filter Replacement and 9 Sponges with 1 Pump Holder for 7L/236oz/1.8Gal Stainless Steel Dog Water Fountain](https://m.media-amazon.com/images/I/41QaM5hiT1L.jpg)**Smartoo Official 9 Packs Dog Water Filter Replacement and 9 Sponges with 1 Pump Holder for 7L/236oz/1.8Gal Stainless Steel Dog Water Fountain** smartoo**$25.56**4.3★1,338 reviews](https://www.amazon.com/dp/B0CNPFYJP8) [![Smartoo 12 Packs Official Replacement Filters and 12 Packs Sponges for 152oz/4.5L Wireless Cat Water Fountain PTM-643](https://m.media-amazon.com/images/I/41zgqVFFU2L.jpg)**Smartoo 12 Packs Official Replacement Filters and 12 Packs Sponges for 152oz/4.5L Wireless Cat Water Fountain PTM-643** smartoo**$29.90**4.1★2,154 reviews](https://www.amazon.com/dp/B0DM1YGV6N) ## **Reviews** What buyers praise and complain about, mined from review topics. ### **What buyers love ** **Size-Overall**20% *“perfect fit”* **Value For Money**16% *“Works great, value for the money”* **Quality-Overall**14% *“Good Product”* **Filtration**13% *“Great filters”* **Water Flow**10% *“Essential item for water fountain”* **Ease Of Cleaning**5% *“clean for much longer”* **Pet Friendly**5% *“My dogs love having a water bubbler”* **Ease Of Use**4% *“Easy”* **Efficiency**4% *“Works great”* **Refills-Overall**2% *“When I clean it to refill she is looking for it”* ### **What buyers complain about ** **Value For Money**20% *“they charge double the price as the same product that is marked as Amazon's Choice which comes in a pack of 18”* **Quality-Overall**20% *“CHEAP MADE POOR QUALITY”* **Filtration**20% *“The filters seems very generic”* **Unsustainable Design**20% *“Poorly made”* **Size-Overall**10% *“I honestly wish it came in a bigger amount so I didnt have to order them so often”* #### **Top return reasons**- Size-Overall35% - Filtration33% - Shape/Style9% - Compatibility-Overall9% - Defective Material/Parts4% - Value For Money4% - Quality-Overall4% - Advertised Vs Actual Product2%