Rotary Vane Deluxe Pond Aeration System 1 Year Warranty on Compressor Year Warranty on Tubing, Diffusers and Cabinet 18' maximum operating depth. Dual voltage motors ship 115v unless specified 230v. Each package includes our deluxe locking cabinet complete with air compressor already installed, a cooling fan already installed and a electrical box/outlet already mounted and ready for your incoming power line. Every compressor has a valved outlet assembly, a pressure relief valve and a pressure gauge installed, simply set cabinet in desired location, install the air diffusers and connect the tubing. Shipping Notes