
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. Compatibility: GoodKnight 420G CPAP GoodKnight 420E Auto-CPAP GoodKnight 420S CPAP GoodKnight 420S ... [Read More]

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. Compatibility: GoodKnight 420G CPAP GoodKnight 420E Auto-CPAP GoodKnight ... [Read More]

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. Compatibility: GoodKnight 418 A CPAP Machine GoodKnight 418 G CPAP Machine GoodKnight 418 S CPAP Machine GoodKnight 418 P CPAP Machi ... [Read More]

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. Compatibility: GoodKnight 418 A CPAP Machine GoodKnight 418 G CPAP Machine GoodKnight 418 S CPAP Mac ... [Read More]
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