Replacement GCTek Check Valve for KoiKeeper Series filters Tsurumi Pump Packed with a broad trace

Packed with a broad trace mineral base and an organic catalyst

Both Helix Skimmers are strong and extremely durable

Cast iron axial-flow impeller achieves high flow rates with low energy use

Though nitrifying bacteria play an important role in the ecosystem during the spring and summer

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Replacement GCTek Check Valve for KoiKeeper Series filters Tsurumi Pump Packed with a broad traceShips directly from the manufacturer, typically in 2 4 weeks. Ships freight, which extends shipping time and requires you to be present at delivery. This is a replacement Part that will match the OEM check valve used on the KoiKeeper Series complete filter setups.