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Material: food grade PVC-U; Tube diameter: 2.5 inches. Number of holes: 108 Hole Diameter: 1.26\; Product description Pipeline uses PVC U drinking water pipe, safe and environmentally friendly. Artificially produced culture liquid without oil for the supply of vegetable minerals. Contains essential elements of plant growth development to provide nutrients without natural soil, so that plants can complete the entire life cycle normally. Function: Food grade material, safe and green, with all fittings Eto mountable, convenient, space-saving and time-saving Advanced internal blocking design All inner plugs use food grade material for water balance Specifications: Material: PVC-U Tube quantity: 12 Pipe diameter:2.5 inch Number of holes: 108 Hole diameter:1.26\; Product description Pipeline uses PVC U drinking water pipe, safe and environmentally friendly. Artificially produced culture liquid without oil for the supply of vegetable minerals. Contains essential elements of plant growth development to provide nutrients without natural soil, so that plants can complete the entire life cycle normally. Function: Food grade material, safe and green, with all fittings Eto mountable, convenient, space-saving and time-saving Advanced internal blocking design All inner plugs use food grade material for water balance Specifications: Material: PVC-U Tube quantity: 12 Pipe diameter:2.5 inch Number of holes: 108 Hole diameter:1.26\; Pipeline uses PVC U drinking water pipe, safe and environmentally friendly. Artificially produced culture liquid without oil for the supply of vegetable minerals. Contains essential elements of plant growth development to provide nutrients without natural soil, so that plants can complete the entire life cycle normally. Function: Food grade material, safe and green, with all fittings Eto mountable, convenient, space-saving and time-saving Advanced internal blocking design All inner plugs use food grade material for water balance Specifications: Material: PVC-U Tube quantity: 12 Pipe diameter:2.5 inch Number of holes: 108 Hole diameter:1.26\