· ✅ 12-Pack Plunger O-Ring for Coupling Nut Washer· ✅ Compatible with T&S Brass 001019-45· ✅ Compatible with Select T&S Brass Faucets, Valves and Specialty Products for the Food Service Industry· ✅ O-ring Dimensions are 1 1/8” Outside Diameter & 3/4” Inside Diameter & 1/8” Thickness· ✅ Made from High Quality Materials for Long-Lasting Performance and Durability