Boyu · Canister
DGN-410 / 460 / 520 Canister Filter
- Flow
- 1,610 L/h
Mid to large planted tanks where you want to tune flow to the scape without swapping filters.
6 models
Dophin · Canister
Dophin CF2000 Pre-Canister Filter
A small canister that sits in the intake line before your main filter and catches the muck first. It has its own media holder and a drain valve, so you empty the pre-filter often and open the main canister far less.
Updated
Will it suit my tank?
litres
Best for
A planted tank with lots of leaf litter or trimmings where you are tired of stripping down the main canister.
Worth knowing
It has no pump of its own, adds another hose run and some flow resistance, and must be kept clean or it will choke the main filter's flow.
What stands out
- Traps debris before it reaches the main canister
- Drain valve that rotates 360 degrees
- Integrated media holder
- 145 x 145 x 400 mm
Specs
| Model | Dimensions (L × W × H) |
|---|---|
| CF2000 | 14.5 × 14.5 × 40 cm |
- Brand
- Dophin
- Pump
- None, runs on your main canister's flow
- Drain
- Built-in drain valve
Figures from the maker's published specifications. Makers revise products, so check the current figures before buying. Photos supplied by the brand or its distributor.
Compare with
Browse all filters
Boyu · Canister
DGN-80 / 120 UVC Canister Filter
- Flow
- 800–1,200 L/h
Medium to large community tanks where the owner wants mechanical, biological and UV treatment in one box.
2 models
Boyu · Canister
EF / EFU Canister Filter
- Flow
- 300–1,100 L/h
- Tank size
- 100–650 L
Budget-minded keepers with 100 to 650 litre tanks who want canister filtration and optional UV.
6 models
Boyu · Canister
FEF-230 / 280 Canister Filter
- Flow
- 800–1,000 L/h
Medium tanks around 150 to 300 litres where a budget UV canister makes sense.
2 models
Frequently asked questions
Quick answers about the Dophin CF2000 Pre-Canister Filter, drawn from its specs.
Who is the Dophin CF2000 Pre-Canister Filter best for?
A planted tank with lots of leaf litter or trimmings where you are tired of stripping down the main canister.
Is there anything to watch out for with the Dophin CF2000 Pre-Canister Filter?
It has no pump of its own, adds another hose run and some flow resistance, and must be kept clean or it will choke the main filter's flow.
What are the alternatives to the Dophin CF2000 Pre-Canister Filter?
Other filters worth comparing: Boyu DGN-410 / 460 / 520 Canister Filter, Boyu DGN-80 / 120 UVC Canister Filter, Boyu EF / EFU Canister Filter. Add any of them to the compare table to see the specs side by side.
How do I compare the Dophin CF2000 Pre-Canister Filter with similar products?
Tap Compare on this page and on any other filter you are considering, then open the compare table. It lines up every published spec side by side and lets you pick the size of each product.