VBA-X3239 Air Operated Booster can increase factory air pressure by 4 times. Air only operation requires no power supply, and allows for easy installation.
Pressure Increase ratio: VBA10A: 2x, VBA11A: 4x; Set Pressure: VBA10A: 58 to 203 psi, VBA11A: 116 to 290 psi; Long service life: 50 million cycles or more; Built in silencer; Compatible with current VBA booster mounting; Can be mounted horizontally and vertically