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. Pouch can be placed over pipes to protect from the cold. Compatible with Model 110 and 301. Two years UV protection when used without an enclosure. Dimensions - 34 L x 24 H inches.