3" NPSH Female Swivel x 4.5" NPSH Male Adapter Aluminum FM1076 But there could be tears

But there could be tears and small holes here and there

8" sizes NPT female (National Pipe Tapered)

Industrial & Fire 4” NPT Female Long Handle x 6” NPSH Male Rigid Fitting Anodized Aluminum

which is what you would expect from a standard fire hose

3" NPSH Female Swivel x 4.5" NPSH Male Adapter Aluminum FM1076 But there could be tearsSpecifications Female Side 1 3 NPSH Female (National Pipe Straight Hose) Male Side 2 4. 5" 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