Our insulated and uninsulated enclosures are designed primarily for the backflow market and fits a variety of backflow assemblies and pressure vacuum breakers. Available in multiple configurations: Class I: Dekorra backflow box and base with insulation and self-regulating heat source., Class II: Dekorra backflow box and base with an insulated pouch providing R-13 insulation., Class III: Dekorra box and base only. Pump Enclosure model has a solid floor in the base for mounting a pump.