PEP-valve mask, mouthpiece or trakeostomiadapter. PEP valve is bound patient and must be cleaned and disinfected once / day. Disassemble the mask / mouthpiece / trakeostomiadapter, valve and nipple. Clean and disinfect the parts of the washer-disinfector. Reassemble the parts when they are really dry. Wipe off if necessary with paper towels. All parts (mask, mouthpiece, valve and nipples) are intended for multiple use!