6" NPT Female (Rigid Long Handle) x 6" NPSH Male Adapter Aluminum FM25S25T 5” NH (NST) Female x

5” NH (NST) Female x 4" NPT Male Fitting Anodized Aluminum

Double layered hoses are used in fire departments and heavy duty industrial applications

3/4" Aluminum Black Garden Hose Fire Nozzle For Industrial & Firefighting Use (With Bumper)

you need a tough hose

5"  stamped couplings

6" NPT Female (Rigid Long Handle) x 6" NPSH Male Adapter Aluminum FM25S25T 5” NH (NST) Female xSpecifications Female Side 1 6 NPT Female (National Pipe Tapered) Male Side 2 6 NPSH Male (National Pipe Straight Hose) 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 Standards 236 8. 1 Through 8. 2 USDA