Full Synthetic FFL-4 Dual Clutch Transmission Fluid, 1 Liter by Pentosin®. Oil Base: Full Synthetic. Oil Type: FFL-4. Volume: 1 Liter. Quantity: 1 Bottle. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great quality at an affordable cost.