Gomer Backflow Preventer Insulation Cover, Backflow Valve Cover for Winter Pipe Freeze Protection, Multi-use Waterproof Cover, 5-Laye

The backflow preventer insulation cover is made of five layers of materials,the outer layer is a waterproof fabric, the middle layer is two layers of dense felt and a layer of thermal insulation PP cotton, and the inner layer is aluminum foil paper. Thick and well made, and has good waterproof and heat insulation properties. The insulating aluminum foil layer greatly increases the antifreeze effect. Protect your backflow pipe systems from freezing, bursting and blowouts due to the severe weather conditions like snow, rain, wind and sun exposure heating. The bottom is sealed and fixed with Velcro, which is convenient to use and has good insulation. This all season heavy duty protection cover is sturdy durable and will provide protection for all season long. Grommets provide extra security. If necessary, the grommets can be locked by Chain to prevent being taken away by theft. The size of the picture is the size laid flat, and the circumference of the pocket is 44.5 inches. Recommend to have measured pipe before purchase, reserve 1 inches or more according to the thickness.

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