purchase of surgical tubes rate contract for purchase of surgical tubes under department of health and family welfare, dnh and dd , rate contract for purchase of surgical tubes for department of health and family welfare, dnh & dd : ( specifications as per tender documents ) , endotracheal tube plain without cuffed 2.0 , endotracheal tube plain without cuffed 2.5 , endotracheal tube plain without cuffed 3.0 , endotracheal tube plain without cuffed 3.5 , endotracheal tube plain without cuffed 4.0 , endotracheal tube plain without cuffed 4.5 , endotracheal tube plain without cuffed 5.0 , endotracheal tube with cuffed 10.0 , endotracheal tube with cuffed 6.5 , endotracheal tube with cuffed 7.0 , endotracheal tube with cuffed 7.5 , endotracheal tube with cuffed 8.0 , extension tube coiled with anti piphon valve , i.v.extension tube 200cm with three way connection ( for infusion pump ) , tracheosotomy tube size -7.5 with cuff , tracheosotomy tube size -8.0 with cuff , tracheosotomy tube size -8.5 with cuff