Marineland Emperor PRO Power Filter

With bio-wheel technology: bio-wheel technology provides wet/dry biological filtration.;Multi-stage filtration: delivers mechanical; chemical and biological Aquarium filtration to maintain a clean aquatic environment.;Compatibility: use with MarineLand rite-size E filter cartridge.;Six sizes: 100 (for up to 10 gallons); 125 (for up to 20 gallons); 175 (for up to 30 gallons); 275 (for up to 50 gallons); 375 (for up to 75 gallons); 450 (for up to 90 gallons).;Flow control: flow Control up to 450 GPH.