The Jenny Products line of Single-Stage Air Compressors offers 16 single-stage belt-driven models that feature cast-iron compressor pumps and powdercoated ASME certified tanks. Each unit is coated with Jenny "Ultimate Blue" Compressor Pump Oil to help ensure the pistons, bearings, crankshaft rings and cylinders are protected. Other features include manual tank drains and an automatic start/stop control with a pressure unloader. This line is horizontal-tank stationary air compressors.