Valve Stem w/O-Rings, 3-Way, to fit A-dec® Century® II Toggle Cartridge (A-dec® #29.0840.00) Pkg-1 ea 3-way Fits A-dec® Century® II cartridge valve A-dec® and Century® are a registered trademark of A-dec, Inc. DCI has no affiliation with A-dec and A-dec has not authorized DCI replacement parts to be used on or in connection with A-dec® products.