Home - Castair air compressors, air systems, industrial air compressors, gas air compressors, rotary air compressors, commercial air compressors, gas powered air compressors, garage air compressors, aftercoolers, pressure tanks, asme code pressure vessels, air compressor service, air compressor parts, air compressor accessories, air compressor motors, refrigerated air dryers, air receivers, air compressor pressure switches, magnetic motor starters, air compressor filters, pressure gauges, safety valves, air compressor tanks, air compressor regulators, automatic drains, cast iron pumps, air compressor pumps, filter elements CASTAIR offers all cast iron heavy-duty air compressors. Our air compressors are oil-lubricated, slow RPM, and run very quietly. We can build an air compressor to fit your needs.