The Kleinn Model 25012-2 is a premium high-pressure nylon airline tubing engineered to deliver maximum airflow and long-term durability within your onboard air system. Featuring a heavy-duty, flexible nylon construction designed to withstand a maximum working pressure of up to 250 PSI, this universal pneumatic hose provides a generous 26-foot length of oversized 1/2" OD tubing. Perfect for high-demand applications, it is engineered to safely route a massive volume of air directly from your air tank or compressor to your train horns, air suspension, or pneumatic accessories, ensuring peak system performance and a completely leak-free installation in demanding automotive and outdoor environments.