Backflow Preventer Cover Insulated Pouch Pressure Vacuum Breaker Well Pump Cover Features: Customized Design: Our Backflow Insulation Pouch is specially designed for Pressure Vacuum Breaker, and it matches perfectly with Pressure Vacuum Breaker. Protect your Pressure Vacuum Breaker from Severe Snow and Intense Sun. 5 Layers Design Insulation & Waterproof: Made of 1 Layer Waterproof Heavy Duty 600D Oxford Fabric, 2 Layers Cotton Insulation, 2 Layers PE Sliver Coated Cloth. Double stitching for max security has both waterproof and insulation effects. Keep the Backflow Device / Irrigation System / Lawn Sprinkler System from freezing or sunning. .
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