supply of dust respirator as per rwf specification no. rwf / m / specn-1 / 079 / 1999 alt. d. model: venus v-40-v or jl100 vfr of joseph leslie or equivalent model of 3m or honeywell. make: 3m or honeywell or venus or joseph leslie. packing: respirator shall be packed with eco friendly biodegradable packing material. note: 1 ) respirator shall be manufactured as per ffp2 class of is:9473 ( latest ) or equivalent european standard. 2 ) inner layer shall be soft & low lint for skin comfort and shall have flame retardant outer media for added protection against large airborne particles ( grey colour with flame retardant outer media ) . 3 ) double adjustable elastic bands of braided textile shall be sewn to the face piece outside the filtering area to give universal fitting on face as per face panel & free of metal clips. elastic bands must contain unique adjuster bends to give snug fit yet relieves strap pressure. 4 ) test report shall be provided as per the test described by bureau of indian standards. [ warranty period: 30 months after the date of delivery ] => limited