The Raider 07-246 in-line carburetor fuel filter features a see-through design with large fuel flow capacity. It screws directly into the carburetor with a screw-in base type for Tillotson HD and HR carburetors. Inside diameter: 14.27mm/.562 inch, Outside diameter: 36.27mm/1.428 inches, Width: 6.3 mm/.248 inch.