The 12GA Stainless Air Line Box is a practical and durable solution for your trailer's air line needs. Made from 304 high polished stainless steel, this limited quantity product is built to last. With a double trailer harness connector hole and designed to sit in between frame rails, it offers convenience and easy installation. Its sleek design and high-quality construction make it a reliable choice for any trailer owner. Upgrade your trailer's air line system with this reliable and functional air line box.