Feature: 1. Perfect Replacement: Breathing machine heating tube can be replaced for ResMed S9, which can provide perfect fitment for you. 2. Reduce Noise: Breathing machine heating pipe can reduce the noise generated by working, which also prevent condensation. 3. Rubber Joints: Breathing machine heat tube adopted rubber joint, provide firm connection, which allow you can use at ease. 4. Freely Moving: Heating tubing with high flexibility, allows you can easily move around without causing leakage, ensuring proper sleep. 5. Smoothing Inner: Breathing machine hose with smoothing interior, easy to install and remove, which can make the machine work better. Specification: Item Type: Breathing Machine Heating Hose Material: Plastic Breathing Machine Accessories Type: Piping Suitable for: Adults Fitment: Replacement for ResMed S9. Package List: 1 x Breathing Machine Heating Hose1 x Manual Note: Only applicable for S9 models, other models are not applicable.