Milton 1/4" Female Coupler P-Style BOWES MIL 1803. • P-Style coupler bodies are heavy duty steel • Maximum temperature: 250° F • P-Style plugs are case hardened steel, plated to resist rust • Air fl ow: 68 SCFM • Bodies have 8 locking balls • Seals: Buna-N • Maximum inlet pressure: 300 PSI