Product Overview O-Ring Imperial 18 x 1/8 NBR Includes: 1 x O-Ring Imperial 18 x 1/8 NBR Specifications: Inside Diameter: 18 inchOutside Diameter: 18-1/4 inchCross Section : 1/8 inchMaterial:Nitrile Buna Rubber Durometer:70 Reviews (No reviews yet) Write a Review