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Rola Chem 3 8" B x 1 4" MPT In Line Check Valve (521170) matrix This product has practical value This product has practical value because replacing the complete floating system can restore the intended treatment platform when the original unit is worn Helps restore dependable skimmer operation Check valves are useful because they help maintain one way flow and reduce the chance of unwanted reverse movement within the line Matching the correct barb to thread configuration can make the repair cleaner and help preserve the intended plumbing path
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