Tender For dvgw tested leak finder spray for gas and compressed air as per product 'eco leak finder ' o f m/s crc industries in 500 ml aerosol can or part no. 4300013100 of m/s aal or 'leak detector' of ambersi l only. material to be procured from oem or their authorized distributor along with oem test and warranty certificate. material should have minimum 24 months shelf life during supply [ warranty period: 30 mont hs after the date of delivery ]