DekoRRa® 602-GN 24" x 24" Green Insulated Pouch for Backflow Devices and Top Discharge Wells. All of our insulated pouches have built-in grommets making it easy to secure around pressure tanks, irrigation pipes or pumps. Choose Desert Tan or Green Turf color option. Several of our rocks are also available with full ASSE 1060 Certification, the standard for outdoor enclosures covering backflow prevention assemblies. We can prepare enclosures to meet these specifications. Pouch can be placed over pipes to protect from the cold. Compatible with Models 101, 102, and 110. Two years UV protection when used without an enclosure.