Kost USA

The largest family-owned manufacturer, supplier and marketer of antifreeze and functional fluids in the U.S.

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Overview | Kost USA

Defendal Global AUTO ELC Antifreeze (Yellow)

Defendal HD Pre-Charge Coolant (Purple)

Defendal Global HD ELC (Red)

Defendal Enviro Antifreeze (Green)

Defendal Marine RV (Pink)