... insulation hose or tube ID :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 Our ... insulation tube specification :Wall Thickness 3/8 ... ) 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 ...