Check the listing for details. QTY=20 : Meritor Tire Inflation System Thru-Tee 4" Long 31317-00. Condition: New, Made in United States. Listed at 540.00 USD. 20pcs of The Meritor Tire Inflation System Thru-Tee is 4" long accessories designed for commercial trucks. Manufactured by Meritor, the brand known for quality truck parts, this product ensures easy inflation of tires without having to remove the hub cap. With the manufacturer part number 31317-00, this system offers a convenient solution for maintaining proper tire pressure in commercial vehicles.20pcs of The Meritor Tire Inflation System Thru-Tee is 4" long accessories designed for commercial trucks. Manufactured by Meritor, the brand known for quality truck parts, this product ensures easy inflation of tires without having to remove the hub cap. With the manufacturer part number 31317-00, this system offers a convenient solution for maintaining proper tire pressure in commercial vehicles.