Evans Prep Fluid - 1/2gal. EC42001

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A waterless cooling system flush, engineered specifically to purge the cooling system of water-based antifreeze after draining and before installing Evans Waterless Coolant. Hygros copically absorbs water Ensures all residual water is removed from the system Ensures that Evans coolants will meet the water content limits and provide peak performance Protects cooling system metals during flush Note: Prep Fluid should be used when block drains are unavailable or cannot be removed. It is not a substitute for thoroughly draining the cooling system and related components. Prep Fluid is NOT intended to be a stand-alone operating coolant, but as a flush only. Show more