Less-Contact & Reliable Cushion - Unlike other full-face units, it covers less face, and still creates great seal, allowing more fun before bedtime. Feel free to read, watch TV, or even wear glasses. (Not for F30i.)
Premium Durable Fr_ame - Same as originals, one size perfectly fits all cu_shion sizes for F30. Made of high-quality material, it is durable, sturdy, and not easy to break.
Quick-Release Clips - The strong strength holds strap in place and also smooths the process of putting on and off the whole assembly, more convenient to use.
Adjustable Strap w/Strong Grip - Soft and breathable strap offers ultra comfort when used while owning 5 fasteners for flexible adjustment to fit any head type.
Great-Value Supplies - Includes most you need for replacement, cost-effective to cut down your replacing costs while fitting perfectly to ensure great seal and wearing comfort. (NOTE: This is not a full kit. Please use this kit with your original el_bow for F30.)