The Mastercool 91200 R-12/R-134a Air-Operated Vacuum Pump requires 4.5 CFM/90 psi shop air for operation yet does not require any oil or involve any moving parts for full usage. The 1.3 CFM air displacement venturi-type pump will pull up to 29 inches of vacuum at sea level.

• Requires 4.5 CFM/90 psi shop air
• No moving parts/oil required
• Pulls up to 29 in. of vacuum at sea level
• Includes 1/4 in. flare connection, 1/2 in. ACME connection