This is a test of commonsense. Complete the next sentence:

How to clean a cpap
Disassemble your headgear.
Separate your mask from the headgear by detaching the arms that secure it to the outer frame and fabric backstrap. Then gently pull the mask away from the ring that connects it to the tube.
Check your machine's user guide for more specific instructions on disassembly. Hand wash the mask with soapy water.