Compatible Fit: Specifically designed for F40 full face masks, these replacement cushions provide a precise fit, enhancing both comfort and effectiveness of your sleep therapy. Pack of Two: This convenient 2-pack includes two cushions, allowing you to keep a spare on hand for immediate replacement and ensuring uninterrupted therapy sessions. Soft Material: Made from high-quality silicone, these cushions offer a gentle feel against the skin while maintaining a secure seal to minimize air leaks and improve comfort throughout the night. Easy Replacement: Designed for simple, tool-free installation and removal, these cushions make regular replacement quick and hassle-free—supporting consistent hygiene and optimal mask performance. Reliable Accessory: Regular cushion replacement is essential for maintaining therapy effectiveness. These soft silicone cushions help preserve mask integrity and support long-term performance. Color: Transparent Material: Silicone Package Contents: 2 silicone cushions (without filter ring) Note: Color may vary slightly due to lighting and screen settings. Measurement tolerance: ±1–3 cm.