Dophin CF2000 Pre-Canister Filter

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.

???? 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.

✔ 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

???? 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, freshwater or marine.