5" NH (NST) Female Swivel x 4" NH (NST) Female Rigid Adapter Aluminum HA2510T Hose Shank Inside Diameter: 2-1/2"

Hose Shank Inside Diameter: 2-1/2" (Barb)

Hose Shank Inside Diameter: 1-1/2"

If you want to pump during cloudy days or evening hours

1-1/2" NPT Male: Can Connect To Any 1-1/2" Female Female Pipe Threads PVC

and matched the solar panels rated at 12 volts

5" NH (NST) Female Swivel x 4" NH (NST) Female Rigid Adapter Aluminum HA2510T Hose Shank Inside Diameter: 2-1/2"Specifications Female Side 1 5 NH (NST) Female (National Hose National Standard Thread) Female Side 2 4" NH (NST) Female (National Hose National Standard Thread) 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