The inner wall stays smooth because the solid brass can
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VEVOR Water Transfer Pump 12V, Battery Powered Utility Pump, 360 GPH Larger Flow, 46FT High-Lift, 1/10HP Portable Electric Water Transfer Pump with Switch, 6 ft Suction Hose Kit, For Water Removal:
Brass Water Well Cylinder (Best Value), Pump Parts and Tools - Lehman's
Brass Water Well Cylinder (Best Value), Pump Parts and Tools - Lehman's
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Deep Well Submersible Pump,1 hp, 115V, 60 Hz, 33 GPM, 207' Head, Stainless Steel, 4, 33 Feet Electric Cord, Long Life M#05
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