The Coilhose 582 3/8" industrial coupler, 1/4" FPT offers a durable connection for years of service. Also known as a push-lok air hose fitting, this plated steel air hose coupler includes a knurled body that enhances grip and a drag guard, which prevents accidental disconnection. Also features industrial interchange and a Buna N Seals design. This manual coupler has a flexible temperature range of -40°F to 250°F. It has a maximum input pressure range of 300 PSI. Made in the United States.