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Happybuy Oxygen O2 Barrier PEX Tubing - 2 Rolls of 0.5 Inch X 300 Feet Tube Coil - EVOH PEX-B Pipe for Residential Commercial Radiant Floor Heating Pex Pipe : Amazon.ca: Industrial & Scientific
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VEVORbrand 1000 FT PEX Tubing Pipe 1/2 inch PEX Tubing Oxygen Barrier Radiant Floor PEX Pipe Radiant Heat Floor Heating Plumbing Cold and Hot Water Tubing - Walmart.com
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