About This Package Included: 1pc Leak Stop Valve, 4pcs mounting screws and 11pcs Leak Detection Pads. Size: 93 X 34 X 42mm / 3.66 X 1.34 X 1.65 inch; Leak stop valve connection: 1/4 inch(6.5mm) quick connect; Material: ABS. Installation: Easy to replace, just take out the screw and twist the unit to open, and the pad needs to be replaced every time it touches the water and expands. Feature: Automatic shut off water supply and protection when water leaks. Application: Compatible with any system and application, and suitable for reverse osmosis and under sink water filtration system, such as ATO, coffee machine, water filtration system, ice maker, refrigerator kit, water purifiers, and etc. Overview Material : Plastic Brand : FDXGYH Exterior Finish : Abs Outlet Connection Type : Quick Connect Number of Ports : 1 Outlet Connection Size : 0.25 Inches Number of Packs : 1 Unit Count : 1 Count Manufacturer : FDXGYH