Why choose a Penrite oil filter? Premium grade filter media. A thicker 4 mm base plate for added strength and higher burst resistance. A spiral wound cartridge core for improved flow and durability. A silicone anti-drain back valve keeps oil where it should be, delivering better protection on start-up. Finished with a 19 mm removal nut and a heavier-duty body, making filter changes quicker and easier. Designed to be market leading in real-world performance and service life. If you trust Penrite