4.5" NH (NST) Female Long Handle x 4.5" NH (NST) Male Adapter Aluminum Aluminum Fire Hose Adapters Threaded Size (Inside Diameter): 4"

Threaded Size (Inside Diameter): 4" Male NPT (National Pipe Tapered)

Universal 2-1/2" Inch x 500' Feet Quick Connect Camlock Discharge Hose

You already have your own 4" Inch couplings and you can connect them yourself

which could equal almost 20

a great choice for volunteer fire departments

4.5" NH (NST) Female Long Handle x 4.5" NH (NST) Male Adapter Aluminum Aluminum Fire Hose Adapters Threaded Size (Inside Diameter): 4"Specifications Female Side 1 4. 5 NH (NST) Female (National Hose National Standard Thread) Male Side 2 4. 5 NH (NST) Male (National Hose National Standard Thread) Working Pressure 300PSI Max Test Pressure 1000PSI Max Material T 6061 Aluminum (Aircraft Grade) Finishing Anodized (99. 9% Lead Free) NFPA Standards 1963, 4. 12, 5. 1 5. 6. 4 (Corrosion Resistance) Military Standards MIL A 8625 Type III, Class 1 Industrial Standards International ASTM B221