Replacement Set for F20, Includes Cushion (L), Strap, Frame & Clips in One Pack (No Elbow), Reliable Seal & Softer Fit Replacement Supplies by Everness

GREAT-VALUE REPLACEMENT SET – Great value but still work great. Includes most you need for F20 in one pack supplies by Everness, please refer to second picture. NOTE: Elbow not included.
SOFTER FIT & EXCELLENT SEAL CUSHION – Adopted soft and elastic silicone material which can greatly isolates the air and improves wearing comfort. Recommended to replace once a month. NOTE: Not contain natural latex.
PREMIUM FRAME & SOFT STRAP COVERS – Frame is made of high-quality material which makes frame more durable. Offer strap covers to ensure wearing comfort and reduce red marks.
SNUG-FIT TO HEADGEAR STRAP – Made of ultra-soft and elastic material which improves wearing comfort and snugly fits to keep in place for whole night.
ADJUSTMENT CLIPS FOR STRAP – Everness provides adjustment clips to ensure a super tight grip on the strap and keep a snug fit when strap naturally begins to stretch out.
PATENT PROTECTED – This product is authorized and 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, Pat. D1,069,103 S, offering exclusive features and superior craftsmanship