10PCS One Way Air Pump Check Valves Plastic NonReturn Check Valve For Fish

Feature: \n 1. Made of high quality material, durable, not easy to aging, ensure long service life.\n2. Easy to install, the check valve can be used for most aquarium air pumps.\n3. Great one way check valve is an effective protection for your air pump.\n4. Fits standard aquarium airline tubing with inner hole diameter 3mm/ 0.2in.\n5. 10PCS check valves are quite enough for your daily use and replacement. \n\nSpecification: \n\nItem Type: Check Valve\nMaterial: Plastic\n\nProduct Quantity: 10 Pieces in a Pack\nInner Hole Diameter: 3mm/ 0.2in\nSingle Product Weight: Approx. 3g/ 0.1oz\n\nPackage List: \n 10 x One Way Check Valves \n\nNote: \n One check valve is required for each outlet, and two for double\u2011head pumps, and soon. \n\n1. Our listing price includes the value of goods,packaging cost,and export taxes,not including international duties.\n\n2. duties,taxes,and charges are not included in the item price or shipping fee.\n\n3. The duties are buye: