... OEM brand good quality and competitve price many kinds of A/C insulation rubber tube, insulation hose, insulation pipeThe details are ... as follows:1) 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",2",2- ... 8",2-7/8",3",3-1/8",3-1/2"2) Wall Thickness: 3/8",1/2",3/4",1"3)Length: 1.83M ... contact me at any time.BEST REGARDSIVY ZHAO 1-3/8" Inch A/C Insulation Rubber Pipe