procurement for various items for covid-19- consumables (hospital / lab). -1 ventiolator c ircuit adult (disposable) with water trop 2 venbtilator circuit agva ventilator with water trap 3 high flow nasal cannula 4 high flow nasal cannula 5 niv mask (non-vented) 6 niv mask (non-vented) 7 niv mask (non-vented) 8 closed suction 9 viral/bacterial filter 10 hme filter 11 flow sesnsor 12 leucoband 13 central line (tripple lumen) 14 central line (tripple lumen) 15 central line (tripple lumen) bains ci