Use: Oil and water separator, effectively filters moisture and impurities in diesel and gasoline. Features: Automobile fuel funnel filters impurities larger than 12 microns to ensure fuel cleanliness. High performance: Increased filter area; the filter is screwed directly to the bottom, preventing residue buildup during filtering. Premium material: Diesel and gasoline filter made of high-quality plastic material, wear-resistant, durable, and suitable for long-term use. Product size: Car gas filter 28.5 cm x 25 cm (11.22 in x 9.84 in), bottom hole 3.4 cm (1.34 in). Specification: Material: Plastic. Product size: 28.5 cm x 25 cm (11.22 in x 9.84 in), bottom hole 3.4 cm (1.34 in). Package includes: 1 x Oil Water Separator. Note: Please allow slight variations of 1–2 cm (0.39–0.79 in) due to manual measurement.