Ball Valves Insulation Cover, Product Type Ball Valves Insulation Cover, Operating Temperature - Maximum 300 Degrees F, Operating Temperature - Minimum -40 Degrees F, Includes Insulation Cover, Compatible with Manufacturer Model Number A 18937, A 18938, A 18939, A 18940, A 18941, A 18942, A 18943, A 18944, Compatible with Brand Cyclemaster, Length 8 9/16 in