Rustlick 78640 Sump-Side Defoamer 1 Gal

Sump-side defoamer in a 1 gallon jug that knocks down foam in coolant and metalworking fluid sumps. Added directly to the sump, it breaks foam that interferes with pumps, filtration, and machining. Keeps fluid systems running clean. Used in machine shops and industrial maintenance for coolant management.