Optimal Replacement: This 4-pack of large headgear straps is exclusively designed for the or F20 full face CPAP masks. Note that no other parts of the mask are included, ensuring a focused and cost-effective purchase for your CPAP needs. Enhanced Durability: Crafted to withstand frequent use, these headgear straps can be washed repeatedly without fraying, curling, shedding, or degrading. This feature ensures a long service life, providing value and reliability in your CPAP therapy routine. Comfort: Made from the most advanced -grade fiber, these CPAP headgear straps are and thin. The outer layer is smooth, while the interior features a furry design that is soft against the skin, enhancing comfort throughout the night. Secure Fit: Experience a restful night with headgear straps that feature sturdier quality material and stronger tips. These elements that your mask remains securely in place, providing a with optimal comfort due to the smooth interior . Washable and User-Friendly: The headgear straps are designed for easy maintenance and prolonged use. They can be washed as needed without losing their integrity, making them an ideal choice for regular CPAP users seeking hassle-free upkeep. Model Number: Mask Headgear Color: Blue-Gray Material: Double Layer Composite Sponge Package Contents: 4 * CPAP Headgear (with buckle) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.