SUNSUN HW-4000 External Canister Filter

• Installed variable frequency water pump internally and use sine wave frequency conversion technology, which make it more stable and quieter.
• ●The external digital display controller can adjust the gearposition of the water pump and the daily working time of the UV lamp at will.
• ●Using ceramic shaft, wear-resistant, no rust, long service life, dual-use of fresh and sea water.
• ●The filter basket multi-layer design can be placed with different filter materials, and easy to clean.
• ●Unique design of inlet and outlet parts can make them be more effectively fixed on the fish tank. ●It is easy to completely discharge the air inside the barrel with the siphon principle.

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