The Peterbilt 379 Air Cleaner is a practical and reliable product that fits most Peterbilt 379 models. Available in three sizes, 7 inch by 15 inch, 7 inch by 13 inch, and 6 inch by 13 inch, this air cleaner is sold individually and comes with brackets included. Its simple design ensures easy installation and maintenance, making it a great choice for those looking for a dependable air cleaner for their Peterbilt 379.