Complementing the HumidAire 3i, the ResMed tubing wrap with micro-fiber filling maximizes heat retention along the air tube, enhancing patient comfort and reducing the effects of rainout. Soft and smooth, the tubing wrap slides easily across the bedding, reducing drag and noise and improving the overall therapy experience. Easy to put on and remove Easy to clean Improved insulation Will not catch on bed sheets.   FITS 6 FOOT TUBING (NOT INCLUDED). USE ON ANY CPAP/BiPAP MACHINE.