The exclusive SealFlex™ disposable ribbed cushion masks are better than ever! Their pleasant vanilla scent and cool blue tint combined with the original textured and anatomical shape insure your patient's comfort and cooperation, as well as your convenience and safety. The luer lock Direct Dose check valve and the Injection Port guarantee a no-leak administration within the mask cavity where the patient inhales the gas at full strength, thereby improving statistics and patient throughput. These masks are also available in time and space-saving convenience sets. The Extend-N-Bend™ tubing sets are especially convenient! Just grasp the tubing end cuffs firmly around the connected fittings and stretch to any increment within the limits of the tubing. Sets contain mask, filter and tubing.