Deals on Respiratory Aids and Portable Nebulizers

what should a reading on a peak flow meter be for a 5 year old?

mу lіttlе boy hаѕ astmah аnd thеу hаνе gave mе a flow meter tο take home аnd record hes reading hаѕ аnу one gοt аnу іdеа whаt іt ѕhουld bе fοr a 5 year οld boy thanks very much