Diameter: 3 inches (nominal size; actual inner diameter may vary by material)
Function: Carries fluid from a source to the pump inlet (suction side)
Material options:
PVC (common for water systems, lightweight, corrosion-resistant)
HDPE (flexible, used for irrigation and boreholes)
GI/steel (heavy-duty industrial or high-temperature use)
Rubber reinforced hose (for portable pumps or construction sites)