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Why not stash a $6 NPA in your bag in case your forced to take off?

Not hard to sterilize the device in the field.
Soap & water
Betadine
iodine (tabs?)
Anerobic o2 water treatment
Boiling or steaming (some are rated for autoclave)
iodine
tea tree oil
bleach...

5 pounds, maybe?

several plants are anti viral anti fungus. Keeping it clean is my least worries.

I have been trying the Didg for several months- 7 to be exact.....
:(

I have severe chronic obstructive sleep apnea. Perhaps you do or likely you know someone.

99% of the time treatment is a CPAP air machine- you wear a mask over you nose & mouth at night and it...