A set of five (6) replacement o-rings for use with the standard brew head and accessories. This set is not compatible with the SS Piston. Included in this set are: One (1) cylinder o-ring Two (2) plunger o-rings (compatible with PGK, NOT compatible with SS Piston) One (1) stem o-ring (compatible with PGK) Two (2) gauge o-rings (compatible with PGK)
