3/8 in Thick, Unslit NBR/PVC Pipe Insulation, 6 ft Insulation Length/ FABRICATION METHOD: MOLDED INSULATION THICKNESS: 0.375 INCHES NOMINAL INSIDE DIAMETER: 0.625 INCHES NOMINAL LENGTH: 72.000 INCHES NOMINAL DESIGN FORM: FULL ROUND TEMP RATING: -297.0 DEG FAHRENHEIT MINIMUM AND 220.0 DEG FAHRENHEIT MAXIMUM SPECIAL FEATURES: INSUL-TUBE; CLOSED CELL; UNSLIT; COLOR: BLACK; LENGTH: 6 FT. FLEXIBILITY: FLEXIBLE