bids are invited for boq total quantity : 1--endotracheal tube preformed rae south pole size 3.5mm ( microcuff ) 15 endotracheal tube preformed rae south pole size 4.5mm ( microcuff ) 15 tube endo tracheal nasal size 3.0 with microcuff ( pediatric polyurethane microcuff ) 30 tube endo tracheal nasal size 3.5 with microcuff ( pediatric polyurethane microcuff ) 30 tube endo tracheal nasal size 4 with microcuff ( pediatric polyurethane microcuff ) 30 tube endo tracheal nasal size 4.5 with microcuff ( pediatric polyurethane microcuff ) 30 tube endo tracheal nasal size 5.0 with microcuff ( pediatric polyurethane microcuff ) 30 tube endo tracheal nasal size 5.5 with microcuff ( pediatric polyurethane microcuff ) 30 tube endotracheal oral / nasal pvc size 5.0 with cuff 30 tube endotracheal oral / nasal pvc size 5.5 with cuff 30 tube endotracheal oral / nasal pvc size 6.5 with cuff 60 tube endotracheal oral / nasal pvc size 7.0 with cuff 300 tube endotracheal oral / nasal pvc size 7.5 with cuff 300 tube endotracheal oral / nasal pvc size 8.0 with cuff 300 tube endotracheal oral / nasal pvc size 8.5 with cuff 150 tube endotracheal reinforced pvc oral / nasal size 5.0 with cuff 30 tube endotracheal reinforced pvc oral / nasal size 7.0 with cuff 150 tube endotracheal reinforced pvc oral / nasal size 7.5 with cuff 150