This is a legacy product. Please contact us for the latest version.sales@ocaire.com, CYL, AIR, DBL ACTING, HI SPEED, ACTUATOR, CG/CG3 ROUND BODY CYLINDER, NZ, 50MM CG, 6.61386 lb, SeriesDescriptionModelActionNoteVol. no. (for std model)CG1Air cylinderCG1Double acting, Single rodExcept with rubber bumper666