Aquatic Life RO Daddy 1000 GPD 1:1.8 Ratio Commercial Grade Reverse Osmosis System 0.5 inch Buddy-Fit Press Fit Connectors simplify plumbing - Wrench makes it easy to access cartridge housings Manual flush valve allows user to increase membrane life - Durable stainless steel membrane housing ensures long life Powder coated steel frame securely suspends cartridge housings for easy removal 3/4 inch FPT inlet water supply makes it easy to plumb to any water source - 8 ft. x 0.5 inch White Polyethylene Tubing included for plumbing setup Large rubber feet stabilize unit while resting on a surface - Built-in wall mount bracket allows the unit to be secured in place