6" Storz x 4" NPSH Female (Swivel) Adapter Aluminum FM20S15F This fire hose valve is

This fire hose valve is guaranteed to pass fire inspection

Fire Hose has been tested and is ready to pump water

For the 5" Rubber hose

This will reduce your 2

These hoses were made to carry large amounts of water to fire trucks for supply purposes

6" Storz x 4" NPSH Female (Swivel) Adapter Aluminum FM20S15F This fire hose valve isSpecifications Storz Side 1 6 Storz Female Side 2 4 NPSH Female Swivel (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 Standards 5100