CPAPAmerica is proud to offer this pairing of 6 FT. CPAP Grey Tubing/bacteria filter. Tubing is an economical way to replace the tubing on your CPAP Machine. This universal grey replacement tubing has 22 mm connectors, and is 6 feet long. Part number 622038.Filter allows maximal filtration with minimal loss of airflow. Simply attach it to your machine between the air outlet and your standard CPAP tubing. Part # 1605.Filters will fit all systems which use standard CPAP/BiPAP tubing including those from DeVilbiss, Fisher & Paykel, ResMed, Respironics, Puritan Bennett, Covidien, AEIOmed, and more.Low resistance to gas flow means that you keep the strong airflow you've come to expect from your CPAP BiPAP machine. CPAP America is your one-stop-shop for all of your sleep apnea needs!