Recirculating Aquaculture Valves Made of galvanized steel with

Made of galvanized steel with stainless steel blades

It features ball bearing construction and low amp draw with replaceable diaphragms and brushes for extended life (brushes on motors wear out after about 2

060 Grey  170 0

which seals directly against the filter housing

This unique design allows floating debris to slip off the guard rather than wrap around the motor shaft or prop

Recirculating Aquaculture Valves Made of galvanized steel withDeveloped to be a practical guide to intensive aquaculture for the practicing aquaculturist, this book is the reference text for the popular Cornell University and Freshwater Institutes Short Course on Recirculating Aquaculture Systems (RAS). Contents include basic principles behind biofilter systems, gas conditioning equipment, solids capture, waste treatment and management, culture vessel design, pumps and fluid mechanics, control and monitoring