Replacement Viton O-Ring for Swift-Seal 1 3/8 in. Diameter Series Compression Port Adapters- KF-40, KF-50

These replacement O-rings are made to fit 1.375 in. (internal) diameter Swift-Seal Compression Port Adapters with flange sizes KF-40 (P104168), and KF-50 (P1010084).Compression ports are typically used to make quick connections to tubes and half nipples, commonly found on gauges, instruments, and gas supply lines.Viton® is a registered trademark of DuPont Performance Elastomers.