Specification Material: FKM Type: Sanitary Gasket Fit for: 1.5" Tri-Clamp Inner Dia: 50.5mm / 1.99" Outer Dia: 35.1mm / 1.38" Thickness: 4.8mm / 0.19" Working Temp.: -40°F~446°F Service: Water, gas, and oil and Most solvents and acids that are compatible with FKM.
eBay