Replacement GCTek Check Valve for KoiKeeper Series filters Pressure-Treated Pine The larger media reduces risk

The larger media reduces risk of going through grid slots in filters

Clear Water Guarantee - if your water isn't clear when used as directed

12% Moisture

5" BYC474 30" 14

Use a clay loam or specially-designed aquatic planting soil in your plant containers for best results

Replacement GCTek Check Valve for KoiKeeper Series filters Pressure-Treated Pine The larger media reduces riskShips 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.