Listing is for 1 x 5Ltr Tub - £49.99 Commercial discounts on purchases of x 4 5Ltrs when bought together (This item can be purchased in 4’s and save upto 20% - That’s upto a £40 discount possible) The Liqui Moly Diesel Purge Engine Injector Cleaner is a 5L fuel treatment specifically designed for diesel engines. Made in Germany by LIQUI MOLY, it acts as an antioxidant/stabilizer and diesel engine purge treatment fluid. This product helps to clean and maintain diesel fuel systems, enhancing engine performance and efficiency.