BelAire's duplex compressors are available in 10 to 20hp with a dual pump and motor set up on a single tank. The 15hp model utilizes two 7.5hp motors that are available single phase and produce 50.50acfm at 100psi. Each model comes with starters, dual pressure switch control and an alternating system providing built-in back up air. Units are shipped "wet", ready to install and come with a two-year bumper-to-bumper warranty.