Finish Line EcoTech Degreaser. Features: A biodegradable degreaser that cuts through the toughest grime Strong enough for the metal parts, yet safe enough to clean parts with rubber o-rings and seals, urethane elastomers, and painted surfaces Exceeds all Federal V.O.C. and California CARB regulations Specs: Size: 20oz aerosol Hazmat No Air Ship: yes