COVER REAC 3NECK O-RING ,Each

Details

Reaction Vessel Lid, Flat Flange, O-Ring Seal, 3-Neck^ Flange Diameter: 6-5/8"; O-Ring Size: 359; Center Neck: [St] 29/42; Side Necks: [St] 29/42. Grooved To Accept An O-Ring And Creat A Greaseless, Vacuum Tight Seal. Supplied With Center Neck And Two Side Necks That Are 180[Degrees] Apart.