The Coilhose 151 1/4" industrial coupler, 3/8" FPT, offers a durable air hose connection, good for several years of service. Also known as a push-lok fitting, this Coilhose coupler features a knurled body that enhances grip - and a drag guard that prevents accidental disconnection. Also features a maximum input pressure range of 300 PSI. This industrial coupler has a temperature range of -40°F to 250°F. This Coilhose fitting is designed with Buna N Seals and brass material. This plated steel compressor coupler applies to air hose and compressor-related applications. Made in the United States.