Coupling Nut

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SharkBite™
SharkBite Max™ Couplings | Take It To The Max.
https://www.sharkbite.com
广告SharkBite Max™ Couplings Are The Fastest Push-to-Connect Fittings On The Market. No Tools, Soldering, or Glue Required. Simply Insert The Pipe & Push The Fitting Onto It.
Amazon
Buy coupling nut: Amazon | Low Priced coupling nut
https://www.amazon.com › industry › supplies
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