Srphc291032-Spacer With Mask For Children.1)It Should Be Suitable For Use For Infants And Children.2)The M Inimum Capacity Of The Holding Chamber Should Be Approximately 250Cc(Ml).3)The Holding Chamber Should Have A Valve T O Prevent Rebreathing Of The Exhaled Air.4)Should Be Made Of Polymer /Polycarbonated Material.5)Should Have A Mask Of Pediatric Size Suitable For Covering The Nose And Mouth Of The Infant And Children.6)Should Be Compatible With The Mdi Which Is Being Supplied At This Railway . Unit:Set The Item May Be Supplied With Brand: Zerostat Vt Spacer Or Similar ]