Update your semi truck with balanced tire pressures, with the Meritor 3.5" Dual Tire Thru-Tee that ensures you're Ready for the Road Ahead™. Due to its "T" shaped design, this replacement piece is able to split the flow of compressed air into two different directions. Constructed with a top-quality metal body to withstand high-pressure systems. FleetPride is your First Click in Heavy Duty®.