We provide Tender Bidding Support for Supply of Calibration Gas Mixture In 0.5 Ltr W/C Aluminium Canister Along With Fine C Ontrol Needle Valve: Methane 100Ppm, Ethane 1000Ppm, Ethylene 1000Ppm, Acetylene 1000Ppm, Hydrogen 1000Ppm, Carbon Dioxide 5000Ppm, Carbon Monoxide 5000Ppm, Nit Rogen Balance Filling Pressure-20Kg/Sq.Cm Make-Chemtron/Upg/Span Can. Warranty P Eriod: 30 Months After The Date Of Delivery