Batteries Required: Yes

the dispenser is designed for surface mounting and measures 8-3/16 inches in width by 4-7/8 inches in height by 2-7/8 inches in depth

the unit requires a rough opening that measures 16 inches in width by 26 inches in height by 6 inches in depth

lets fluids easily pass through to filler material

Depth: 18 in

Milwaukee Valve Check Valve, 2 in, Single, Inline Spring, Bronze, FNPT x FNPT - UP548T 2 ASI-Profile Batteries Required: YesMilwaukee Valve spring actuated check valve opens and closes by liquid flow and allows flow in only 1 direction to help prevent backflow. Features a silent closing design to help reduce water hammer. A directional arrow cast into valve aids with installation and the valve can be mounted vertically or horizontally. Model is suitable for use in plumbing and heating applications.