Pentair Optiflo Pump 1 hp. OptiFlo Pumps are specially designed to deliver dependable high-efficiency flow performance and easy maintenance for above ground pools. They're extremely efficient and packed with user-friendly convenience features. Features: Large strainer basket. Cam and Ramp lid lock. See-thru lid. Unionized discharge port connection. Easy to service. User-friendly removable drain plugs. Metal base on motor. Drop-in replacement for Hayward PowerFlo Matrix Pump. 115V. 1-1/2" Plumbing Connections, 3' pwer cord with NEMA Standard Plug.