Description
DoPhin Pre-Canister Filter CF-2000
The DoPhin CF-2000 Pre-Canister Filter is an advanced external pre-filter designed to reduce debris load on your main canister filter. It improves water clarity, extends the lifespan of filter media, and makes maintenance easy with its dual-mode cleaning system. Perfect for both freshwater and marine aquariums up to 200–250 litres.
🌊 Key Features
✅ Multi-stage pre-filtration – Traps larger particles before they reach the main filter, keeping water clearer and extending canister life.
✅ 360° rotatable drain valve – Easy draining and cleaning without dismantling.
✅ Dual-mode operation – Switch between normal filtration and backflush cleaning with a built-in knob.
✅ Adjustable flow control – Rotatable taps for fine-tuning water circulation.
✅ Integrated media holder – Comes with 3 coarse sponges (mechanical), with option to add bio-media by removing one sponge.
✅ 17 mm hose connectivity – Includes 2 loop hoses for canister connection and 1 drain hose for water release.
✅ Compact & efficient – Saves space, reduces maintenance, and improves overall system performance.
🐠 Suitable For
✔ Works as a pre-filter for any external canister system.
✔ Ideal for freshwater & marine aquariums up to 200–250 litres.
✔ Perfect for reducing canister clogging in tanks with community fish, planted setups, or messy eaters.
⚙️ Specifications
Model: CF-2000
Type: Pre-canister filter (mechanical + optional biological)
Flow System: Adjustable with control taps
Drain Valve: 360° rotatable, quick backflush option
Filter Media Included: 3 × coarse sponges
Optional Media: Ceramic rings, bio-balls (replace 1 sponge)
Hose Size: 17 mm inlet/outlet
Hoses Included: 2 × loop hoses, 1 × drain hose
Tank Capacity: 200–250 litres
Dimensions: ~20 × 20 × 30 cm
Weight: ~2.0 kg
🧱 Filter Media Setup (Recommended Order)
Coarse sponge – Mechanical debris capture.
Additional sponge(s) – For improved flow and dirt trapping.
(Optional) Ceramic rings / bio-balls – For biological filtration.
🔧 How to Install
Place the CF-2000 before your main canister filter.
Connect the loop hoses between pre-filter and canister.
Attach the drain hose for easy cleaning.
Use the knob to switch between filtration and backflush.
🧼 Maintenance
Rinse coarse sponges when clogged (in tank water).
Use backflush mode regularly to clear debris.
Add/replace bio-media if biological support is required.
Always keep at least one sponge for flow stability.
📦 What’s in the Box
DoPhin CF-2000 pre-canister filter body
3 × coarse sponges
2 × 17 mm loop hoses
1 × 17 mm drain hose
Built-in drain valve & flow control knob
✅ Why Choose DoPhin CF-2000?
The DoPhin CF-2000 is perfect for hobbyists who want cleaner water, easier maintenance, and longer-lasting canister performance. With its debris-trapping sponges, 360° drain system, and backflush cleaning mode, it ensures efficient and stress-free aquarium care.
👉 Best as a pre-filter upgrade for medium to large aquariums (200–250 litres), freshwater or marine.
