Sunset Slim CPAP Tube, 6ft, 1 Each Containers and Jars 5 gallon capacity runs for Procedure Mask Ultra Pleated 5 gallon capacity runs for 18 24 hours of operation per filling and the triple wall insulation keeps the reservoir water at a safe temperature * There is an automatic shut off when the reservoir water reaches the minimum level * Has a locking top * The medicine cup allows the use of Vicks VaporSteam or KAZ Inhalant * A large night light provides added convenience particularly in children's rooms * 3 year warranty * Hollister® drainable pouch allows for extended Stain relief cuff decreases separation and tearing Virtually no memory keeps the tubing flexible