Big John Aerators now offers a new corrosion-resistant plastic aerator that is ideal for use in ponds with low pH or high salinity. These new aerators have the following quality features:

• Marine grade, stress relieved, and UV-stabilized plastic
• The toughest marine HDPE available
• Are impervious to salt and moisture
• High heat distortion temperature to resist softening
• Materials are extruded and exhibit consistent color with matte finish
• Compact spiral design
• Closed-cell foam flotation enclosed in the frame
• Double-reduction in-line gear motors
• Water-lubricated bearings 

Plastic aerators are offered in 1/2 HP, 1-HP, and 2-HP models.

 *Click the image for a larger view.

*Click Here for Engineer's Statement of Oxygen Transfer Rates