Feature 1Fit for N5B: Equipped with a nasal cover, a headgear, and an adapter, which are complete set for N5B breathing machine. 2Free Rotation: Short tube has a 360 degree rotation device that helps rotating the hose, reducing the pulling of turning over at night. 3Good Sealing: Breathing machine nasal cover can provide strong stability and firmly sealing, creating a comfortable sleeping for you. 4Prevent Broken: Short pipe has been improved to be more durable and not easily punctured, which can be firmly fixed and installed. 5Excellent Silicone: Nose breathing cover set is made of silicone and plastic material, without any harmful substances, safe and comfortable to wear.Item Type: Breathing Machine Nasal Cover SetMaterial: Silicone, PlasticFitment: Fit for N5B .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x BreathingMachineNasal Cover1 xAdapter1 xHeadgear