The Rocky Series Oilless Compressor from Tech-West Inc is the premier choice for dentists and hygienists. For over 30 years the Rocky Series Oilless Compressor has helped users operate safely and confidently. Delivering 100% clean, dry air the Rocky Series Oilless Compressor allows users to focus on the care of their patients without worry or concern of bacteria build-up and air pollutants. The Rocky Series Oilless Compressor is built to last and is backed by our industry leading warranty (5 year/3500 hours on motor heads and 2 year warranty on all other components). Rust resistant tanks and moisture indicators are standard on all models. Units are proudly made in Fresno CA. by our dedicated team of technicians and are delivered completely ready to install.