These ultra fine filters are designed for use with all GoodKnight 420 Series CPAP Machines and GoodKnight 425 Series BiPAP Machines. Ultra fine filters are disposable; for optimal performance they should be changed regularly when they appear soiled or discolored. Dimensions: Approximately 1.75 inches long by .75 inches wide.
These foam pollen filters are designed for use with all GoodKnight 420 Series CPAP Machines and GoodKnight 425 Series BiPAP Machines. These filters are reusable; they should be cleaned on a regular basis and replaced when worn or damaged. Dimensions: Approximately 1.75 inches long by .75 inches wide.
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.
These foam filters are designed for use with several of Puritan Bennett's 418 Series CPAP Machines. These filters are reusable; they should be cleaned on a regular basis and replaced when worn or damaged. Dimensions: Approximately 5.25 inches long by .75 inches wide.
These ultra fine filters are designed for use with several of Puritan Bennett's 418 Series CPAP Machines. Ultra fine filters are disposable; for optimal performance they should be changed regularly when they appear soiled or discolored. Dimensions: Approximately 5.25 inches long by .75 inches wide.
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