Milton M-Style Coupler Body 1/4in. MNPT Milton M-style "Kwik-change" couplers and plugs will interchange with all manufacturers Milton M style "Industrial Interchange" Kwik Change Coupler is brass with brass sleeves. Disconnects with a snap of your fingers. Case hardened steel plated to resist rust. Maximum inlet pressure: 300 PSI Maximum temperature: 250 F Air Flow: 40 SCFM @ 100 PSI Seals: Buna N Includes: (3) Milton 716 M Style 1/4" Coupler Warning: This product can expose you to chemicals which is known to the State of California to cause cancer and birth defects or other reproductive harm.