Experience the reliability and efficiency of Armstrong Machine Works with their No 21 Air Trap, designed to deliver exceptional performance for your pneumatic system needs. The unit features a robust 1/2" threaded connection, ensuring a secure and leak-free installation. Suitable for use with compressed air, this trap is built to withstand the demands of any industrial application. The Armstrong 21 LD Trap, rated for 150 PSIG, is an ideal solution for managing air flow and pressure in your machinery. Its compact design allows for easy integration into existing systems, while the included inlet air relief ensures proper ventilation and system balance. Trust in the quality craftsmanship of Armstrong for your operational success.