Protects Backflow Valves from freezing. Slip cover over the Backflow valve cover and secure with the hook and loop closure closure. A double layer of 3M thinsulate covered in water proof nylon guards against freezing.
Protects backflow valves from freezing
Help prevent water freeze-up and costly repairs
A double layer of 3 meter thinsulate covered in water proof nylon
Slip over backflow valve cover and secure with the velcro strap.