Fire agents:40%/50%/60%/70%/80%/90% Driving gas: Nitrogen at 12Bar/15Bar Working temperature: -20癈 ~~+60癈 Weight:from 0.3kg to 12kg Cylinder material: stainless-alloy,Aluminium,steel, Packing: standards export carton Manufacture according to EN3 we has established and applies a quality system for design,production and sales of portable fire extinguisher,quality according to ISO9001:2000.