Compression Coupler, V-Style, Male, 1/4-In. NPT1 4" npt, male, v style, high flow, coupler, 300 psi, air flow of 74 standard cuft per minute, sleeve release is a push type, push plug into coupler to engage, pull sleeve back to remove, perfect for high volume, low pressure applications, maximum temperature of 250 degrees fahrenheit, will accept m style & a style plus, however to retain maximum flow use v style plugs.