Specifications: Material: Plastic + Filter Paper Color: As Pictures Shown Length: Approx.10cm / 3.94 inch Outside Diameter of the Middle Part: 31mm/1.22inch Outside Diameter of the Tube:7mm / 0.28inch(min. part), 8mm / 0.31inch(max. part) Compatibility: Compatible with 1/4" or 5/16" fuel lines Features: 1.Made of quality materials, durable to use. 2.Filter out impurities from gasoline, enhance the performance of the engine. 3.Lightweight and disposable, it is great replacement parts. 4.Can be used on many small tractors, lawn mowers, snowmobiles, garden tillers, go karts, generators, and more with 1/4" or 5/16" fuel lines. Notes: *Please compare the details before purchase. *Professional installation is highly recommended. *Due to the light and screen setting difference, the item's real color may be slight difference. *Please allow slight dimension difference due to different manual measurement. *Thank you for your kindly understanding. Package Includes: 20 x Universal Gas Fuel Filters