The FluidMaster Pro 550UK Dual Flush Valve with Chrome Button delivers precision water management engineered for professional plumbing installations. This dual flush system features adjustable flush volumes and a 350mm cable connection with chrome finish button. The twist and release action enables simplified maintenance access without specialist tools. Multiple mounting compatibility supports top, front or side button placement, accommodating diverse cistern configurations. The adjustable overflow height ranges from 215mm to 343mm, providing flexible installation options. Quick release cable and button connections prevent damage during assembly and servicing, ensuring long-term operational reliability. Features & Benefits: Water-saving adjustable flush volumes on both full and reduced flush settings for efficient water management. Compatible with professional plumbing installations, commercial washrooms, and residential bathroom applications. Fits both 1½" and 2" flush outlets for universal cistern compatibility. Dual flush button accommodates top, front or side mounting configurations. Twist and release action for simplified maintenance and servicing access. Quick release cable and button connection prevents damage during installation. Adjustable overflow height from 215mm to 343mm. Includes: 350mm cable, chrome finish button.