SILVERFISH Replacement air Mattress Hose Compatible with Leading Brands (Sleep Number & Select Comfort) *Heavy Duty replacement hose for your leading brand mattress Sleep Number or Select and many other brands. *5 feet in length perfect length for maximizing distance and comfort from your air system unit. *Comes with a quick Lock onnector, allows for easy hook up to your mattress. *Will fit any 3/8" air system valve