bids are invited for extension of oxygen medical air and vacuum pipe line, emergency manifold 1 plus 1 with tail pipe nrv chain set for cylinder and emergency regulator , bed head panel 4 feet with provision of 3 nos of gas outlet oxygen vacuum mr and 4 nos of switch and socket monitor stand with basket , bed head panel 3 feet with provision of 3 nos of gas outlet oxygen vacuum mr and 2 nos of switch and socket monitor stand with basket , bs type medical oxygen gas outlet with adapter probe , bs type medical vacuum gas outlet with adapter probe , bs type medical air 4 air 7 gas outlet with adapter probe , ward vacuum unit with 600 ml jar , oxygen flowmeter with humidifier bottle 0-15 ml , medical gas alarm 3 gas , valve box 3 gas , isolation valve 12 mm , isolation valve 15 mm , copper pipe 15 mm , copper pipe 22 mm , copper pipe 28 mm , copper pipe 12 mm total quantity : 195