4" Storz x 3.5" NPT Female Adapter Aluminum 6" Inch Storz It's easily kept clean and

It's easily kept clean and never needs to be dried because it's immune to mold and rot

The difference is just that

Medium Industrial Projects

PVC pipes with standard hose (NH) or pipe threads (IPT/NPSH/NPT)

4" Storz x 3.5" NPT Female Adapter Aluminum 6" Inch Storz It's easily kept clean andSpecifications Storz Side 1 4 Storz Female Side 2 3. 5 NPT Female (National Pipe Tapered) 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 190C Tables 1