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.

  • GoodKnight 420G CPAP
  • GoodKnight 420E Auto-CPAP
  • GoodKnight 420S CPAP
  • GoodKnight 420SP CPAP
  • GoodKnight 425 BiLEvel
  • GoodKnight 425 ST BiLevel

Write a Review

  • just what I wanted

    I received what I ordered.
    Written by J in Chicago, 2016-12-01