... , overpressure resistant, safe and reliable4. light weight, easy to handle. Part No.Description Unit PriceQty20 mm Outside Diameter, 15.2 mm Inside ... Diameter, 27.6 mm Inside Diameter x 50 m long 63 mm Outside Diameter, 50.8 mm Inside Diameter x 50 ... m long 63 mm Outside Diameter, 50.8 mm Inside Diameter x 100 ...