6 Foot Hose Tubing with Pressure Line for GoodKnight 418A, 420E & 420S CPAP Machines (DISCONTINUED)
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COMPATIBILITY: This tubing will fit the following machines: GoodKnight 418A, 420E, 420S, GoodKnight BiPAP 425 and KnightStar 330 Systems. This tubing will not work on GoodKnight 420G and 420SP systems please use Standard or Premium CPAP Tubing for those systems.