Blue 4" x 50' Lightweight Discharge Hose Pick One Side_1 1/2 inch Service Pressure (A 3-minute hydrostatic Color_Red Why was the Swivel Model:3114 (8.0 TPI x 3.000 OD) 15S1550MF

Service Pressure (A 3-minute hydrostatic test conducted by users on in-service hose to determine suitability for continued service)

Debris that enters from roadside hydrant fitting opening can be removed by reverse flushing the line into the water source

The most common fire hydrant outlet in the USA is 2 1/2 inches with NH / NST threads

50PF100YL = HFX50X100Y50S or RC50-450Y-100-STZ

The male threaded side of this adapter will only connect to a 2 1/2 inch female National Pipe Tapered (NPT) or National Pipe Straight Hose (NPSH) thread

Blue 4" x 50' Lightweight Discharge Hose Pick One Side_1 1 2 inch Service Pressure (A 3 minute hydrostatic Color_Red Why was the Swivel Model:3114 (8.0 TPI x 3.000 OD) 15S1550MF Service Pressure (A 3 minute hydrostatic test conducted by users on in service hose to determine suitability for continued service) Debris that enters from roadside hydrant fitting opening can be removed by reverse flushing the line into the water source