Smart, Adjustable Design: These headgear straps are adjustable to suit various head sizes, helping ensure a secure fit and minimize air leaks. Designed for reliable performance, they maintain stability during use. Superior Comfort: Made from soft, stretchy, and skin-friendly fabric, these headgear straps offer comfortable wear. The smooth texture helps reduce irritation, making them suitable for sleep in different positions. Perfect Replacement for F20: Specifically designed to be compatible with F20 models, these straps help support uninterrupted sleep. They provide a snug and consistent fit throughout the night, serving as a practical replacement option for CPAP headgear. Premium Quality and Durability: The headgear can be easily cleaned by rinsing under running water and air drying. They are designed to resist fraying, curling, shedding, delamination, and other forms of degradation. Color: Gray + Blue Material: Polyester Package Contents: 2 x CPAP Headgear Note: The package includes only the items listed above. Light reflection and display differences may cause slight variations in color. Measurement may vary by +/- 1-3 cm.