New replacement (2-pack) Fuel Petcock Valve Screen Replacement Set. Includes (2) screens: one larger 6mm Inner diameter, tube filter, and the other smaller 6.5 Outer Diameter screen which fits the "Reserve" inlet inside the casting of the valve. Fits brass and plastic tubes. Fits many different makes and models with the common gravity and vacuum actuated fuel valve 3-position petcocks. Manufactured to meet or exceed OEM specifications.