All Girls Garage #1210 Oil Extender

All Girls Garage #1210 Oil Extender

What is HEST?

HEST – “High Energy Solvent Technology,” a Berryman exclusive, incorporates the use of strong solvents, as opposed to weak carriers and diluents such as mineral spirits or kerosene. As a “tip of the cap” to our HEST technology, positive feedback regarding any of our products is affectionately referred to as a HESTimonial.

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