
These black foam filters are designed for use Puritan Bennett's Knightstar 330 BiLevel machines. These filters are reusable; they should be cleaned on a regular basis and replaced when worn or damaged. Dimensions: Approximately 3.75 inches long and 1 inch wide. ... [Read More]

This special CPAP/BiLevel tubing is manufactured by Puritan Bennett specifically for use on CPAP and BiLevel systems, such as those listed below, that require an internal pressure line. Compatibility: This tubing will fit the following machines: GoodKnight 418A, 420E, 420S, GoodKnight BiPAP 425 and KnightStar 330 Systems. Note: For GoodKnight 420G and 420SP systems please use the Standard or Premi ... [Read More]

This special CPAP/BiLevel tubing is manufactured by Puritan Bennett specifically for use on CPAP and BiLevel systems, such as those listed below, that require an internal pressure line. Compatibility: This tubing will fit the following machines: GoodKnight 418A, 420E, 420S, GoodKnight BiPAP 425 and KnightStar 330 Systems. Note: For GoodKnight 420G and 420SP systems please use the Standard or Premi ... [Read More]
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