4.5" NH (NST) Female x 4.5" NPT Male Adapter Aluminum FM25F25NYC It is also your responsibility

It is also your responsibility to educate yourself (not provided by Black Forest Solar) on how solar energy works including but not limited to

Couplings - Uncoupled (No Fittings) - Compatible With 1-1/2" Inch Fittings

If you purchase 1000 feet of this 2

Alternatively if a short length of pipe with two female (NH) (in North American terms

4.5" NH (NST) Female x 4.5" NPT Male Adapter Aluminum FM25F25NYC It is also your responsibilitySpecifications Female Side 1 4. 5 NH (NST) Female (National Hose National Standard Thread) Male Side 2 4. 5 NPT Male (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