SKU: CYLN AL M6 PST Category: Refurb Cylinders Tags: aluminum, b, cylinder, m6, oxygen, refurb Description Description Item # CYLN AL M6 PST Call 866-446-8765 for pricing and availability. Related products System One Remstar Plus 60 CPAP DS260TS Read more DreamStation BiPAP SV Read more System One Pro 60 BiLevel DS660HS Read more Refurbished Aluminum M122 MM Cylinder Read more