BASIC FLOW SIZE: All 1/4" body size air fittings. 1/4" NPT. Buna-N seals. Couplers for air shop use. KWIK-CHANGE: Interchangeable/compatible with most manufacturers. MAXIMUM: 40 SCFM. 300 PSI. Temperatures up to 250 degrees F. QUALITY: Durable brass couplers. Case-hardened steel plugs, plated to resist rust and corrosion. M-STYLE KIT INCLUDES: (1) Female Coupler, (3) Male Plugs, and (1) Female Plug. [Milton #715, #727, #728]., Weight: 0.1 pounds, Manufacturer: Milton Industries