Sunset Healthcare CPAP Heated Tubing 6 Foot Length 15 mm ID 22 mm Cuffs (1195023_EA) 1/EATubing provides heated air, increasing the level of comfort during CPAP therapy Flexible tubing makes it easy to manage 6 foot tubing allows for a sufficient range of motion without restriction Standard CPAP tubing cuff size of 22 mm with a 15 mm inner diameter Strain relief cuffs support tubing at the contact points, improving it's durability and usage Compatible with the Philips Respironics System One and DreamStation heated humidifiers Automatic