This pack of 12 engine cleaner/degreaser spray bottles is perfect for those looking to keep their car's engine clean and free from harmful contaminants. The 500ml volume ensures that each bottle is able to cover a larger area, making it an ideal choice for wholesale use. The brand of these bottles is Herios and they are made in Malaysia. Each bottle comes with an unspecified length warranty, ensuring that you can trust in the quality of the product. These units are sold as a pack and are recommended for use in engine cleaning.