Procurement of Half Face Mask Respirator of silicon medium with double OV- cartridge with retainer pre- filter along with additional one set of cartridges, for protection of wearer from inhalation of dust, paint fumes & aerosols and conforming to detailed technical specification as Annexure- A. Make: 3M/ HAIZKNI/ ZXICH/ FFCAN/ GVS ELIPSE. Note: 01 no. sample should be approved by the consignee before bulk supply