Agentwater; potassium carbonate; urea Cylinder materialcarbon steel Valve materialcopper with nickel plating Fire rating0.5a 13b (china standard) Fire typea&b Working distance 2m Working time29.3s Driving gas nitrogen Temperature edurable -20~+55 Working pressure1.0mpa(+20) Test pressure2.1mpa Capacity950ml (905ml-950ml) Net weight2.02kg ± 5% Single size( dia *height)8.5cm*37cm Gross weight2.31kg ± 5% (with carton) Carton size 37.5cm*17cm*12.6cm Life span4 years Certificatece, iso9001 Standardgb4351.1-2005