Smart, Adjustable Design: These headgear straps are adjustable to suit any head size. They help ensure a secure fit with no air leaks and remain strong without loosening easily. Optimize your therapy experience with this reliable accessory. Superior Comfort: Made from high-quality, stretchy, skin-friendly fabric, these headgear straps provide lasting comfort. Their soft texture eliminates irritation, making them ideal for sleep and comfortable in any sleeping position. Perfect Replacement for F20: Specifically designed for use with the F20, these headgear straps deliver a snug and secure fit throughout the night. An ideal replacement for worn or damaged head straps. Premium Quality and Durability: The replacement headgear can be easily cleaned by rinsing under running water and air drying. They resist fraying, curling, shedding, delamination, and other forms of degradation while maintaining performance. Color: Gray + Blue Material: Polyester Package Contents: 2 x CPAP Headgear Note: The package includes only the items listed above. Other products are not included. Light reflection and differences in display screens may cause slight variations between the color shown in the image and the actual product. Measurement may vary by up to +/- 1-3 cm.