The PAF25 has a BEP (best efficiency point) of around 12’ of head. At this height, it pumps right around 3, 000 gallons of water per hour. It pulls 5 amps, which costs around $1.15/day. At 5’ of head this double silicone carbide mechanical sealed motor pumps 3,900 gallons every hour. It costs $.29 for every 1000 gallons pumped. It’s new removable screen makes for an easy fix if mulch finds its way into the impeller. The PAF25 has a recommended operating range between 10 and 15 feet of head and is a very energy efficient pump that is built to withstand the constant demand of work that is required for any type of water feature. As all PAF series pumps, the 25 comes with a 2-year warranty and aluminum bearing housings that are cast in aluminum. These professional grade pumps are considered medium to low volume pumps.