This collection features compressed air piping and fittings sized for 1.5 inch outside diameter tubing. This popular mid-size line balances generous airflow with easy handling, making it a strong choice for shop mains and branch lines that feed multiple tools or workstations.

All the couplings, elbows, tees, and brackets here are matched to the 1.5 inch OD standard for fast, leak-free assembly. Explore the complete modular range in our aluminum air piping systems, compare other sizes of aluminum air pipe, or browse all air pipe and fittings.