supply of dust respiratordust respirator,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 ]