Standard Calibration Gas Mixture In Canister With Nozale, Fine Control & Gas C Omposition/Gas Quality Certificate For Dga. Water Capacity 0.5 Ltr., Gas Quantity 10 Ltrs App Rox, Pressure 20 Kg/Cm2 In Canister & Stability 12 Months. Canister Containing Ch4, C2H6, C2H 4, C2H2, H2 Gas 1000 Ppm & Co, Co2 Gas 5000 Ppm Cach Balance N2 Gas, Make Spantech Uk, Chemtron Or Edt Research Or Equivalent (Canister Required With Regulator). [ Warranty Per Iod: 30 Months After The Date Of Delivery ] ]