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Amazon.com: Pysrych Stainless Steel 304 Compression Tube Fitting, Straight Adapter, 3/8" Tube OD x 3/8" NPT Female Coupler, Pack of 2 : Industrial & Scientific
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Amazon.com: Pysrych 304 Stainless Steel Compression Fitting 3/8" Tube OD x 1/4" NPT Male Coupler Straight Adapter Connect with Double Ferrules Pack of 2 : Industrial & Scientific
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Amazon.com: Pysrych 304 Stainless Steel Compression Fitting 3/4" Tube OD x 3/4" NPT Male Coupler Straight Adapter Connect with Double Ferrules Pack of 1 : Industrial & Scientific
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