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TH Marine Flow Max Ball Scuppers allow boat owners to never again worry about slow drainage or clogged scupper valves. The Flow-Max scupper has a large 1 1/8'' drain for faster draining. Accumulated debris is easy to get rid of; simply twist the Flow-Max off, remove the gunk, and twist back in place. Replace your boat's worn flapper-style scuppers with this easy-to-retrofit solution.
Flow Max Ball Scuppers come with a stainless steel security pin for added safety. Meets all ABYC standards.
Reviews for TH Marine Flow Max Ball Scupper
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IT doesn't really work. As the boat rocks in waves, it lets water in. Of course when it is underwater it is fine, but then boat comes up and the ball drops out, comes back down and in comes water until the ball seals it up again.
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