Asepsis Self-Contained Deluxe Single Water System w/2 Liter Bottle & 2" Clamp Deluxe models have a selector toggle allowing you to switch between city & bottled water 750 ml & 2 liter heavy duty bottles Standard 28mm thread or patented quick-switch system for water bottle Gauge 7260 shows bottle pressure Bracket mounts to any flat vertical surface Optional post-mount available On/off toggle releases bottle pressure Air purge toggle Metal cover w/ white powder coat finish