Some rock enclosure applications require special accessories. Cold weather areas can require insulation for pipes pumps or other utilities. All of our insulated pouches and rings now have built-in grommets making it easy to secure around pressure tanks irrigation pipes or pumps. Place around pressure tanks to protect from the cold. Compatible with Model 104 and 114. Two years UV protection when used without an enclosure. Dimensions - 60 L x 48 H inches.