supply of high-performance reusable full face resphigh-performance reusable full face respirator (honeywell north 5400 series or equivalent) , high-performance reusable full face respirator (honeywell north 5400 series or equivalent); designed for dust blowing in radiator, filter, and machine rooms; lightweight medical-grade elastomer const ruction; wide-angle polycarbonate lens with 200? field of vision; twin side-mounted particulate filters for bal anced weight and unobstructed downward visibility; includes 4 nos. honeywell n06575008 & n7500p3/n75 00p3o series (class p3) cartridges; maximum protection against fine particulates and aerosols; four-point h ead harness for secure, leak-proof seal; integrated speech diaphragm for clear communication; conforms to en 136:1998 (class 1) for facepieces and en 143:2000 for p3 filters; ≥ 99.95% filtration efficiency for partic les up to 0.3 microns; impact-resistant lens complying with ansi z87+; supplier shall submit nabl accredit ed laboratory test certificate. sample to be approved before bulk supply. [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]