Summit NGSH Series lubricant is formulated from the highest quality synthetic hydrocarbon base stocks. NGSH Series are extended life fluids with special additives to protect equipment from wear, rust and hydrogen sulfide corrosion. These fluids are designed for reciprocating compressors in natural gas service. The NGSH Series lubricants have a low pour point, high viscosity indeces and excellent water demulsibility. Consult your Summit distributor or application engineer for assistance in choosing the proper lubricant for your application.