*1-Pack* Medline Southmedic OxyMask EtCO2 Oxygen Adult Mask OM-2125-8 Features:Southmedic OxyMask.Reduces The Risk Of CO2 Rebreathing.Adult Oxygen Mask. Package Includes:You Get 1 Mask. Southmedic Model#:OM-2125-8 Returns are accepted within 30 days of delivery. All returned items must be exactly in original condition.