BADGER AIRBRUSH CO-Propel Spray Painting Propellant. An excellent starting air source or short usage alternative air source for use with all types and makes of air brushes. This package contains one 7 ounce/198g can of Propel. Requires a 50-200 regulator for use (not included). Does not promote ozone depletion and conforms to ASTM D4236. WARNING: Contents under Pressure. Keep away from heat or flame. Made in USA.