Introducing Tectran's Air Control Boxes for Air Ride & Lift-Axle Trailers -Various Sizes: Tectran offers a range of Air Control Boxes with different dimensions to suit your installation requirements. Typical sizes include 12.5\" x 12.5\" x 6.3\" -Precise Control: These control boxes are designed to operate lift and ride springs on trailers, providing precise control over the air suspension system -Versatile Options: Tectran offers a wide range of Air Control Boxes tailored to various applications, ensuring that you find the right solution for your specific needs -Robust Enclosure: These control boxes feature a durable 16-gauge powder-coated steel enclosure, built to withstand the rigors of the road and protect the internal components -Moisture Protection: Equipped with a gasketed lid, the Air Control Boxes effectively seal out moisture, safeguarding the sensitive electronics within -Flush Mounting: The back of the box is designed with no protrusions, allowing for flush mounting, which contributes to a neat and streamlined installation Upgrade your trailer's air suspension system with Tectran's Air Control Boxes, ensuring precise and reliable control over lift and ride springs. Trust in Tectran's commitment to quality and innovation to meet your air control needs.