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Amazon.com: Supply Giant QGS-S121000 PEX Tubing, Oxygen Barrier for Hydronic Radiant Floor Heating Systems, 1/2 in. x 1000 Feet, RED : Everything Else
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VEVOR 5/8 Inch x 500Ft PEX Tubing Oxygen Barrier O2 EVOH Pex-B Red Radiant Floor Heat Durable Plumbing Flexible for Residential Commercial Radiant Floor Heating Pex Pipe | VEVOR US
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