Tri-Flow 20015 10 oz. Trigger Foam Superior Lubricant. Powerful foaming action penetrates and protects. Light viscosity high grade petroleum oil provides lubrication under extreme temperatures (-60 to 475 degrees farenheight). Formulated with P.T.F.E. that includes formulated solvents that soften and remove dirt and contaminents with special additives that displace moisture and prevent rust and corrosion.