Available in MDA (Magnetic Drive Alternative) with an abrasive proof seal.
(The Dolphin Abrasive Proof Marine Seal is a silicon carbide seal designed exclusively for Dolphin Pumps. It is the lowest maintenance, hardest mechanical seal available. This seal is designed to be a magnetic drive alternative (MDA) providing the reliability of a magnetic drive pump without the maintenance.The Dolphin Abrasive Proof Marine Seal is recommended for use in reef systems and other waters containing abrasive sands and additives. With proper pre filtration, this seal is designed to last from 4 to 12 years)
Dolphin Amp Master 4800SP Pump with New Reverse Marine Seal. 3/4 HP, 115-Volt, Avg. Amps 8.8. Pump comes with 1-1/2-inch unions for inlet and outlet. Pumps 4800 GPH Max. Comes with one year warranty and an extended nine year factory service guarantee.