HEAT SHRINK – WHITE – POLYOLEFIN 2:1 330FT ROLL 3/4″ ID 19mm #CBHFT6003/4W330 WHITE POLYOLEFIN 2:1 HEAT SHRINK TUBING. Polyolefin Halogen Free Material. 3/4" ID 19 mm 330 Ft. R OLL. All are F mark. The product is UL recognized at 600V and the file No is E180908. letting us know you are satisfied with it. byJuly 5, 2026