Normblock Multi Series 10 HP Pump 208-230/460 Volts 3-Phase - 4 x 3 Inch fitting-connection_Slip x Male all you need to tension

all you need to tension or release the lane line is a few twists of the wrist

3/8 x 3/8 Inch O

This is a Pentair 5 HP Pump Motor Square Flange

Speck 2920741271

Normblock Multi Series 10 HP Pump 208-230/460 Volts 3-Phase - 4 x 3 Inch fitting-connection_Slip x Male all you need to tensionThis Normblock Multi Series 10 HP Pool Pump is 208 230 460 Volts 3 Phase and has 4 inch suction and 3 inch discharge ports. The Normblock pumps feature high performance plastic construction that is corrosion resistant and can be used with higher salt concentrations. These Speck pumps also have a superior slow (1750 rpm) running design that reduces vibrations resulting in a quiet operation. Flanges and an all plastic strainer tank are available but