Originally submitted at Salty Supply
VorTech Propeller Pump - MP40WThe VorTech is beautiful and designed with simplicity in mind. Amagnetic couple transmits motion through your aquarium glass and clampsthe assembly against your tank. This means you wont have to drill youraquarium, and that you can easily reposition the pump somewhere ...
Top of the line
By rich from orlando florida on 12/1/2009
Pros: Safe, Durable, Easy to Use, Good Value, Effective
Best Uses: Freshwater Tanks, Saltwater Tanks, Large Aquariums
Describe Yourself: Experienced Aquarist
Ecotech Marine really set the standard with these pumps. No serious or even novice aquarist should go without them. Using 2 is recommended for maximum capability.
(legalese)