Coltri compressors are high pressure compressors used in fire fighting, paintball and scuba industries. Coltri compressors can be used to pump nitrox up to 40%. We offer a number of nitrox solutions at very affordable prices. Aerotecnica Coltri? designs and produces high pressure compressors for breathable air and technical gases: nitrox, trimix, helium and methane. Website: www.coltri.com , www.coltri.co.za