Supream Mag Drive Powerhead Question

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BlackRed+Yellow

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Joined
Oct 23, 2004
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I'm looking for a good workhorse pump. Everywhere I look the "Mag Drive" Powerheads seem to be the best pump for the dollar. So, I checked one out and studied the size and what have you...and I noticed that there are four visible screws holding the pump together. It has always been my impression that anything that can rust WILL rust in time (escpecially in saltwater ) Are these screws a good idea for a submersible pump? Do they not rust? what's the deal...anyone with experience with these pumps feel free to comment...thanks.
 
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