Intimidator O-rings:: use the drop down box to choose which O-ring you want....Every o-ring for the timmy is listed here except for the older GZ Single reg volumizer or older GZ Single reg LPR O-ring which is listed as GZ Reg O-ring #18 Metric seperately on the web site and the GZ Volumizer O-Ring Kit
which contains all the Reg body and Volumizer orings..