Latexfree and available in a variety of styles, each mask is designed for patient comfort with a soft, anatomical form. Barbed fittings help prevent patient from disconnecting the mask while the elastic straps and adjustable nose clips secure it for a better fit. Configurations available: Medium Concentration Mask, 7 (2.2m) tubing; High Concentration Mask, Reservoir Bag, 7 (2.2m) tubing; NonRebreather Mask, Reservoir Bag, Safety Vent, Check Valve, 7 (2.2m) tubing; Variable Select Mask, 6ColorCoded Diluters from 24%50%, humidity hood, 7 (2.2m) tubing; NonBreather Mask with FitsAll Tubing.