Two-stage pumping design - Stage two pumping begins at a lower pressure to help pull a stronger vacuum
Built-in filter prevents oil mist and oil contamination in the exhaust
Proposition 65 Warning for California Residents: This product can expose you to chemicals including Benzene, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.