Therm-O-Ring Sea 25/PK - 21004-U

Sigma Aldrich - Therm-O-Ring Seal I.D. 0.250 in., pkg of 25 ea Exclusive from Supelco. New high temperature O-ring seals can be used with inlet temperatures up to 375 °C without sticking or fragmenting. Fit both 6.3 mm O.D. (sp