Heavy Duty Bariatric Footstool with Non Skid Rubber Platform N95 Disposable Respirator the G4 produces less noise

the G4 produces less noise than a normal indoor conversation

000 ft FAA Approved Yes - FAA approved label visible on device Oxygen Concentration Purity 87%-96% at seal level at all settings Warranty 3 Years or 15000 hours (which ever comes first)

it firmly holds the tube in the desired position

It is the only USB SmartStick that should be used with SleepStyle devices

It provides a secure fit and excellent seal

Heavy Duty Bariatric Footstool with Non Skid Rubber Platform N95 Disposable Respirator the G4 produces less noiseSafely and confidently reach higher items with this footstool. Its nonslip surface and nonskid feet ensure secure use, great for items in upper cabinets or tall shelves. Plus, the stool's extra strong steel cross brace construction can accommodate users up to 500 lbs.