GREAT DESIGN: Made of flexible polymers, 6-foot Universal CPAP Tubing delivers a consistent airflow between your CPAP mask and device. COMPATIBLE: Works with Respironics, ResMed, Fisher & Paykel, and most CPAP, BiPAP, and Bi-level devices. LONG-LASTING SEAL: CPAP Hose features standard 22mm connectors on both ends to help maintain a secure seal and reduce air leaks. OPTIMAL FLOW: Smooth interior walls and quality connectors support unrestricted airflow, maximum flexibility, and easy cleaning. MOBILITY AND COMFORT: At 6 feet long, the hose provides ample reach and flexibility for comfortable movement during sleep. Color: As shown in photo Material: Plastic Package Contents: 2 x CPAP Hose 2 x Cleaning Brush Note: Light reflection and different displays may cause slight color variations between the image and actual item. Measurement may vary by +/- 1-3 cm.