sunsun canister filter
Skip itA small market ($22K/yr) — this niche doesn't clear our bar today.
Quality gap
Great4.1★avg incumbent rating — lower means beatable quality
Avg price
Good$111.06avg listing price — sweet spot $15–$100
Review moat
Good1,042.35avg incumbent reviews — the moat a new listing must climb
Competition
Okay61%top-5 click share — leaders hold, buyers still browse
Returns
Okay4.7%return rate — above 6% kills the launch gate
Price range
Okay$18.74–$254.68cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Bad93%top-5 brand share — brand-locked demand
Growth
Bad-17.9%90-day search growth — must beat 0% to launch
Conversion
Bad0.4%search→purchase rate — share of searches ending in a sale
Market size
Bad$22K$22K/yr · 43K searches
According to Flapen's Amazon United States niche tracking, sunsun canister filter is a $22K/yr Amazon United States market (43K searches/yr). The top 5 brands hold 93% of demand. Verdict: Skip it — 32/100.
Data updated Jul 17, 2026 · scored weekly · How we score niches
sunsun canister filter market data
- Units sold / yr
- 500–750
- avg 0–100/product
- Revenue / yr
- $56K–$83K
- units × avg price
- Launch success
- 33%
- 3 of 9 new (360d)
- Conversion rate
- 0.4%
- Avg BSR
- #517
- Page quality
- 0%
- Prime
- 92%
- Sponsored
- 42%
- Out of stock
- 4.9%
- Avg brand age
- 64 months
- Avg seller age
- 170 days
Competition & brand share
The top 5 products take 61% of clicks — established leaders, but buyers still shop beyond them.Brands
10 rising
Sellers
40
Top-5 brand share
93%
Top 20: 100%
Top-5 click share
61%
Top 20: 93%
Open market
5%
- SunSun77%
- H2Pro7%
- PONDFORSE5%
- VEVOR3%
- AQUANEAT2%
- hygger2%
- Open — no brand owns it (4 brands, 5%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -17.9% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.5×
Top sunsun canister filter search terms
- sunsun canister filter32K/yr
- sunsun6K/yr
- sunsun filter5K/yr
- sunsun 304b canister filter606/yr
- sun sun fish filter118/yr
Top sunsun canister 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.
All 26 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
SunSun HW-302 3-Stage External Canister Aquarium Filter 264GPH
SunSun$80.304.1★1,231 rev
SunSun Hw303B 370GPH Pro Canister Filter Kit with 9-watt UV Sterilizer
SunSun$152.844.3★1,376 rev
SunSun HW-3000 UV 9W 5-Stage External Canister Filter w/Media 793gph White HW-3000 PRO
SunSun$173.084.0★561 rev
Sunsun Hw304B 525GPH Pro Canister Filter Kit with 9-watt UV Sterilizer
SunSun$153.134.2★1,044 rev
SunSun Hw302 265GPH Pro Canister Filter Kit
SunSun$68.834.2★1,540 rev
Newest
by launch date
H2Pro SunSun External Canister Filter for Aquariums 4 Stage Filtration System Quiet Operation Easy Maintenance 528 GPH 8.2 ft Max Head Model HW-704AW
H2Pro$138.291 rev
H2Pro SunSun External Canister Filter for Aquariums 3 Stage Filtration System Quiet Operation Easy Maintenance 370 GPH 6.56 ft Max Head Model HW-703AW
H2Pro$119.550 rev
H2Pro Sunsun Canister Filter with UV-C Lamp and Media for Aquariums External Multi-Stage Filtration System 396-924 GPH up to 10.8 ft Max Head HW-4000W
H2Pro$216.422 rev
H2Pro Sunsun Canister Filter with UV-C Lamp and Media for Aquariums External Multi-Stage Filtration System 4751215 GPH up to 12.5 ft Max Head HW-5000W
H2Pro$254.682 rev
H2Pro SunSun External Canister Filter for Aquariums 3 Stage Filtration System Quiet Operation Easy Maintenance 264 GPH Model HW-702AW
H2Pro$98.780 rev
Trending
90-day click momentumH2Pro Sunsun Canister Filter with UV-C Lamp and Media for Aquariums External Multi-Stage Filtration System 4751215 GPH up to 12.5 ft Max Head HW-5000W
H2Pro$254.683.5★
H2Pro SunSun External Canister Filter for Aquariums 3 Stage Filtration System Quiet Operation Easy Maintenance 264 GPH Model HW-702AW
H2Pro$98.780.0★
H2Pro SunSun External Canister Filter for Aquariums 4 Stage Filtration System Quiet Operation Easy Maintenance 528 GPH 8.2 ft Max Head Model HW-704AW
H2Pro$138.294.0★
H2Pro Sunsun Canister Filter with UV-C Lamp and Media for Aquariums External Multi-Stage Filtration System 396-924 GPH up to 10.8 ft Max Head HW-4000W
H2Pro$216.423.5★
H2Pro SunSun External Canister Filter for Aquariums 3 Stage Filtration System Quiet Operation Easy Maintenance 370 GPH 6.56 ft Max Head Model HW-703AW
H2Pro$119.550.0★
What buyers say about sunsun canister filter
What buyers praise and complain about, mined from review topics.What buyers love
“Excellent filter”
“Great for the money”
“Excellent product”
“Easy to clean”
“The water flow is strong”
“Ease of use”
“Great water flow and durability, it is a pretty big filter”
“Works as it should”
“Perfect fit”
“I like the design”
What buyers complain about
“The worst filter”
“It stops working shortly after you begin using it”
“Water Filter Leak”
“Needs Better Quality Control”
“Doesn't work”
“The flow is a a bit slow compared to other canister filters Ive seen”
“Read the terrible instructions”
“Is a little large”
“Difficult set up”
“DANG is it annoying to clean”
Top return reasons
Common questions
- Is sunsun canister filter profitable to sell on Amazon United States?
- The niche generates $22K/yr across 26 tracked products. 3 of 9 products launched in the last 360 days are still selling. 90-day search growth is -17.9%. Flapen's verdict: Skip it (32/100).
- How competitive is the sunsun canister filter niche?
- 10 brands and 40 sellers compete. The top 5 products take 61% of clicks and top 5 brands hold 93% of demand.
- What do buyers complain about in sunsun canister filter?
- Top complaints mined from reviews: Filtration, Durability, Leak-Proof. The return rate is 4.7%.
- When does demand for sunsun canister filter peak?
- Demand is steady year-round — the busiest month runs 1.5× the quietest.
- What does it cost to enter the sunsun canister filter niche?
- Listings span $18.74–$254.68; the average listing price is $111.06 (sweet spot $15–$100). The average incumbent carries 1,042 reviews — the moat a new listing must climb.