Ball sets -3Pcs Set Valve Hydration Bag Drink Tube Bite Valve Water Pack Bladder Highlights generic brand 3Pcs Set Valve Hydration Bag Drink Tube Bite Valve Water Pack Bladder Description: Mouthpiece replacement for bladder bite valve. Self-sealing bite valve Fits most hydration packs and bladder tubes Replacement nozzle for your water bag It can be used directly on your water bag hose. With switch and dust cap to keep the nozzle clean Connection to pipe outer diameter is about 0.37inch/9.5mm Suitable for normal inner diameter pipe 0.31-0.35inch Good accessory for camping, hiking, cycling, etc. outdoor activities specification: Hydration tube hydration valve Materials: food grade silicone, soft and durable Length: approx. 35mm / 1.4 inch Replacement nozzle Material: TPU Shape: right angle Length: approx. 1.96 inch / 5 cm Package includes: Hydration Bottle Pack 3 Piece Pack 1 Piece Replacement Piping Nozzle