• GREAT COMPATIBILITY: Achieve great value and correctly compatible with F20, ensuring airtight seal throughout the night; Please note that this product is not a complete set, the elbow is not included and needs purchasing separately
• SUPERIOR SEAL: Featuring a sturdy frame to hold in place and keep the cushion from falling out, combined the headstrap with clips and magnets that hold strongly and stay connected
• EXTRA-COMFORT FIT: The cushion crafted with advanced silicone, the super soft and lightweight material minimizes marks while enhancing comfort, and the headstrap fits better at the back of the neck and over the top of the head for a snug fit all night long
• SIMPLE TO ASSEMBLY & USE: Clever construction lets the assembly snap together effortlessly, making assembly quick and straightforward, with the added convenience of easy pull on and off at night
• PATENT PROTECTED: This product is protected by US Pat. D1,018,836 S, Pat. D1,047,133 S, Pat. D1,036,157 S, Pat. D1,034,959 S, Pat. D1,063,066 S, offering exclusive features and superior craftsmanship; Experience peace of mind with reliable, durable performance that stands out in quality and innovation

Shipping Note: Shipping to Alaska, Hawaii, PO Boxes, and APO addresses is not available for this item

Warranty: 90 Day Woot Limited Warranty