supply of reusable half face respirator , reusable half face respirator (udyogi res-protek 8200 or equivalent) conforming to en 140:1 998; suitable for dust blowing (radiators, filters, clean/machine rooms); tpe body for soft, secure, leak-proo seal; ergonomic design with full face sealing for prolonged use; adjustable head harness with elastic straps and head cradle; exhalation valve with downward cover for easy pressure seal check and reduced heat; ba yonet connection for quick, secure filter replacement; twin side-mounted particulate filter provision; supplie d with 4 nos. p3 r twin filters (model 3003 or equivalent) conforming to en 143:2021; ≥ 99.95% filtration ef ficiency against dust, fumes, mist, aerosols, and oil-based particles; nuisance level acid gas protection; reu able (r type) filters with low breathing resistance and 360? fitment; lightweight, easy to clean, and suitable for extended industrial use; supplier shall submit nabl accredited 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 ] ]