smartoo replacement filters
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Conversion
Incredible24.2%search→purchase rate — share of searches ending in a sale
Returns
Incredible0.5%return rate — above 6% kills the launch gate
Price range
Incredible$15.60–$29.90cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Great$21.67avg listing price — sweet spot $15–$100
Review moat
Good741.88avg incumbent reviews — the moat a new listing must climb
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Competition
Bad75%top-5 click share — a locked-up shelf
Growth
Bad-12.2%90-day search growth — must beat 0% to launch
Market size
Bad$63K$63K/yr · 12K searches
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, smartoo replacement filters is a $63K/yr Amazon United States market (12K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Apr. Verdict: Skip it — 46/100.
Data updated Jul 9, 2026 · scored weekly · How we score niches
smartoo replacement filters market data
- Units sold / yr
- 3K–3K
- avg 100–250/product
- Revenue / yr
- $54K–$65K
- units × avg price
- Launch success
- —
- 0 of 0 new (360d)
- Conversion rate
- 24.2%
- Avg BSR
- #315
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 100%
- Out of stock
- 6.3%
- Avg brand age
- 21 months
- Avg seller age
- 277 days
Competition & brand share
The top 5 products capture 75% of clicks — a locked-up shelf that new listings rarely crack.Brands
5 falling
Sellers
7
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
75%
Top 20: 100%
Open market
0%
- HAVANSIDY39%
- smartoo33%
- Cunina10%
- KTNAid9%
- PetNeizance9%
- Open — no brand owns it (0%)
Demand & seasonality
Weekly Amazon search volume, last 62 weeks — -12.2% search growth over the last 90 days.Peak months: Apr · busiest ÷ quietest = 1.6×
Top smartoo replacement filters search terms
- smartoo replacement filters8K/yr
- smartoo pet water fountain replacement filters3K/yr
- smartoo filters1K/yr
Top smartoo replacement 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.
All 8 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
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$19.094.8★27 rev
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$16.084.7★67 rev
Smartoo 9 Packs Official Replacement Filters and 9 Packs Sponges for 152oz/4.5L Wireless Cat Water Fountain PTM-643
smartoo$24.884.1★2,154 rev
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$15.604.7★64 rev
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$16.614.6★112 rev
Newest
by launch date
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$25.6119 rev
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$16.0867 rev
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$19.0927 rev
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$15.6064 rev
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$16.61112 rev
Trending
90-day click momentum
Smartoo 12 Packs Official Replacement Filters and 12 Packs Sponges for 152oz/4.5L Wireless Cat Water Fountain PTM-643
smartoo$29.904.1★
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$16.084.7★
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$19.094.8★
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$25.614.2★
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$25.564.3★
What buyers say about smartoo replacement filters
What buyers praise and complain about, mined from review topics.What buyers love
“perfect fit”
“Works great, value for the money”
“Good Product”
“Great filters”
“Essential item for water fountain”
“clean for much longer”
“My dogs love having a water bubbler”
“Easy”
“Works great”
“When I clean it to refill she is looking for it”
What buyers complain about
“they charge double the price as the same product that is marked as Amazon's Choice which comes in a pack of 18”
“CHEAP MADE POOR QUALITY”
“The filters seems very generic”
“Poorly made”
“I honestly wish it came in a bigger amount so I didnt have to order them so often”
Top return reasons
Common questions
- Is smartoo replacement filters profitable to sell on Amazon United States?
- The niche generates $63K/yr across 8 tracked products. 90-day search growth is -12.2%. Flapen's verdict: Skip it (46/100).
- How competitive is the smartoo replacement filters niche?
- 5 brands and 7 sellers compete. The top 5 products take 75% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in smartoo replacement filters?
- Top complaints mined from reviews: Value For Money, Quality-Overall, Filtration. The return rate is 0.5%.
- When does demand for smartoo replacement filters peak?
- Demand peaks in Apr; the busiest month runs 1.6× the quietest.
- What does it cost to enter the smartoo replacement filters niche?
- Listings span $15.60–$29.90; the average listing price is $21.67 (sweet spot $15–$100). The average incumbent carries 742 reviews — the moat a new listing must climb.