Simply putting into use, easy to clean

Had me a lot of money a digital peak flow meter gekauft.Leider had made no thought about at the 70Euro expensive product, how so cleans a device. (Saliva residues for example, the bond the measuring flap and unavoidable happens to the pure blow are.
Quite different just for this inexpensive Gerät.In handling, you can simply place it in warm water and reinigen.Somit ensures a long-term use.