Fluidmaster Pro Dual Button Cable Flush Valve PRO550 Compatible with both 1 1/2″ and 2″ outlets, this dual flush cable valve offers water saving benefits and fully adjustable flushes. The cable allows for front, top or side mounting. The quick release cable/button eliminates cable damage and the valve can easily be removed for maintenance. This pro version is the choice of professional plumbers. Fits both 1 1/2″ and 2″ flush outlets Cable length 350mm Adjustable overflow from 8.1/2″ to 13.1/2″ Dual flush button fits top, front or side applications Quick release cable/button connection water saving adjustable fill volumes Twist and release action for easy maintenance