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Avast Marine Works
The Cannonball
The Cannonball
Regular price
$ 11.99 USD
Regular price
Sale price
$ 11.99 USD
Unit price
/
per
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The Cannonball is a cover for the Plank mixing chamber that helps to prevent algae from growing inside the tube due to overhead lighting.
It simply rests on top of the mounting platform, and is easy to move in order to check the flow, drop in a piece of frozen food, or use the brush to quickly clean the inside of the tube.
Version 1.1 now has a built in gap to prevent moisture buildup inside the cover.
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$5 Shipping
Flat Rate Shipping for all domestic orders. No minimum purchase requirements.
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Hassle-Free Exchanges
Sometimes things don't work out. We make it easy to return or exchange items should you need to do so.