Works great but needs a new mask to attach. Comes with the Chemtron/NSG attachment which can be removed for any attachment to connect to the outlet station. No issues with the unit. The item "Portable Demand Valve Emergency Oxygen System" is in sale since Saturday, December 8, 2018. This item is in the category "Business & Industrial\Healthcare, Lab & Dental\Medical, Lab & Dental Supplies\Other Medical, Lab & Dental Supplies".
The seller is "olscha-dhvbqesx" and is located in Prior Lake, Minnesota. This item can be shipped to United States, Bahamas.