Dynarex Resp-O2 Medium-Concentration Masks are designed to effectively deliver oxygen at a concentration rate of 40% to 50%. These masks come with light green oxygen supply tubing, designed to help improve tube visibility.
•Transparent vinyl mask features smooth edges
•Mask features an adjustable nose clip and elastic strap
•Includes 7' of crush-resistant, star lumen oxygen supply tubing
•Not made with natural rubber latex or DEHP