WJ Dennis & Company PC2 Poly Foam Pipe Cover for 3/4-Inch Pipe Covering, 7/8-Inch ID x 36-Inch L, Black Provides energy savings No tools necessary Helps reduce heat loss and sweating Open stock in 3' and 6' lengths Installs in seconds Prevents pipe sweating 3/8" wall, for 3/4" copper or 1/2" galvanized, 3' length