The Pentair Optiflo Pump 1-HP Vertical Discharge 2022 Model is the pump that’s specially designed to deliver dependable high efficiency flow performance and easy maintenance for above ground pool owners. OptiFlo pumps for aboveground pools feature a revolutionary design that delivers dependable high flow performance. The lid on the large strainer basket is clear so you can see when it needs to be emptied and the cam-and-ramp style allows you to remove the lid with just a quarter of a turn, no tools needed. Like all Pentair Pumps, it’s efficient and provides long, trouble free life.