air conditioning rubber insulation hose. ID size:1/4", 3/8", 1/2", 5/8", 3/4", 7/8", 1", 1-1/8", 1- We supply rubber insulation tube, Rubber Insulation Hose,Rubber Insulation pipe,refrigeration part, havc part .Foam Rubber Insulation Hose. Wall Thickness 3/8"Length 6FT(1.83m) ID size:1/4", 3/8", 1/2", 5/8", 3/4", 7/8", 1", 1-1/8", 1-1/4", 1-3/8", 1-5/8", 1-7/8", 2". we have different size ...