Oxygen bottle replacement

My O2 needs to be replaced ( according to the POH ). Any ideas on the cheapest way to do this ?

15 year life limit on the bottle. Being a certified aircraft, you’re limited to your options. Call Precise Flight.

Bottle: P/N: 026N2002-3
Regulator: P/N: 100N1020-4

It was about $3k last year… maybe slightly less. I think the bill with a new regulator was $4600 from fuzzy painful annual memory

Call Precise Flight. They will give you a PO and send you a new one. If you don’t use your bottle, you can keep the expired one in the plane, but you can’t refill it.