Product Details: The WABCO 12V Air Dryer with Pressure Relief is designed to efficiently remove moisture and contaminants from the compressed air system of heavy-duty trucks, trailers, buses, and other commercial vehicles. This air dryer is built to withstand the rigors of demanding applications, offering robustness and durability. The sleek gray housing not only adds a touch of modern aesthetics, but also provides protection against environmental elements, ensuring long-lasting performance even in harsh conditions. FleetPride is your First Click in Heavy Duty®.