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