Brass drum vent adapter, for use with 3/4-in drum bung openings. Product Summary: Brass WARNING: This product can expose you to chemicals including lead, 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. More Information Model No 08181 UPC Code 697841106024 International Model No. 08181 Material Specifications Brass Net Weight, lbs 1.0 Net Weight, kg 0.5