Compatible Fit: Specifically designed to seamlessly For F40 full face masks, these replacement cushions a perfect match, enhancing both comfort and effectiveness of your sleep therapy. Pack of Two: This convenient 2-pack allows you to have a spare on hand for immediate replacement, ensuring continuous support and uninterrupted therapy sessions for optimal . Soft Material: Crafted from high-quality silicone, these cushions offer a gentle touch against the skin while maintaining a tight seal to prevent air leaks, enhancing your comfort throughout the night. Easy Replacement: Engineered for user-friendly maintenance, these cushions can be effortlessly attached or removed, making it simple to replace them regularly to maintain hygiene and mask performance. Reliable Accessory: Regular replacement of your mask cushions is crucial for maintaining the effectiveness of your sleep therapy. These , soft silicone cushions help extend the lifespan of your mask, ensuring you receive optimal therapy. Color: Transparent Color Material: Silicone Package Contents: 2 Packs Reliable Silicone Cushion(Without filter ring) 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.