TriStar Product Description For new construction & the aftermarket, TriStar is the mosthydraulically efficient pool pump that provides superior flow and energy efficiency. •Most hydraulically efficient wet-end - can often step down in pump size(HP) -- same performance at a lower installation cost and cost of daily operation. Maintain the same size and, with greater flow, run the pump less per day, saving energy and money. •Heavy-duty motor with dynamic airflow - greater dependability and longer life. •2in x 2.5in CPVC union connections - adapt to larger plumbing recommended for greater efficiencies with larger plumbing, run the pump less per day, saving energy and money. Quick and easy installation and servicing. •No-rib design basket - Debris doesn't stick to the inside of the basket-- quicker and easier to clean. Huge size extends time between cleanings.