Check the listing for details. F-One Straight One Pump Valve MEGA size - NEW. Condition: New. Listed at 22.93 USD. The F-One straight one pump valve is the original factory valve for the struts of F-One kites with a one-pump system. MEGA size 4" patch. FixMyKite.com Self-Stick-Valves will stick on any bladder material or color. Simply peel and stick to make a fast and easy repair, or attach to a newly replaced bladder. The specially formulated adhesive is incredibly durable making for a permanent repair. Everything needed for installing the new valve is included in the package: alcohol wipe and detailed instructions.From the leaders in kite repair technology, Fixmykite.com's Self-Stick Valves will stick on all bladders. Simply peel and stick to make a fast and easy repair on an old bladder or attach to a brand new bladder. The specially formulated adhesive is incredibly durable making for a permanent repair. Everything needed for installing the new valve is included in the package: alcohol wipe and detailed instructions. adventurekiteboarding