1" NH (NST) Male x 2.5" NH (NST) Male Adapter Aluminum DMH3025F 1-1/2" Inch fire hoses are

1-1/2" Inch fire hoses are designed to work with spray nozzles

The 1" NST (NH) Male side of the adapter will allow you to connect the 1" NST (NH) Female end of your fire hose

Fire Hydrant Adapter 2

Using 2" White Single Layered Woven Hose Without Fittings

1" NH (NST) Male x 2.5" NH (NST) Male Adapter Aluminum DMH3025F 1-1/2" Inch fire hoses areSpecifications Male Side 1 1 NH (NST) Male (National Hose National Standard Thread) Male Side 2 2. 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 UL Labs