The Haldex 20' Midland Aircoil Set is the perfect choice for your heavy duty towing needs. This set includes a 20' aircoil with 48" and 12" pigtail lengths for the tractor and trailer ends. The heavy duty spring guards are plated for extra protection and are resistant to methyl alcohol, zinc chloride, petrol, and diesel fuel. The superior coil memory and toughness make this set a reliable and durable choice for your towing needs. FleetPride is your First Click in Heavy Duty®.