SharkBite 3/4-in PEX Crimp Brass 90-Degree Elbow in the PEX Pipe, Fittings & Specialty Tools department at Lowes.com
Brass vs Plastic PEX Fittings? How about Stainless PEX Fittings Instead
Brass vs Plastic PEX Fittings? How about Stainless PEX Fittings Instead
Poly Alloy Vs. Brass PEX Fittings
plumbing - Can I use brass fittings to connect plastic fittings and Pex tubing? - Home Improvement Stack Exchange
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Water Supply Pex Al Pex Plastic Pipe Female and Male Brass Fittings Pex Pipe Cw617n Brass Elbow - China Pex-Al-Pex Fittings, Pex Fittings | Made-in-China.com
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PEX Pipe, Fittings, Valves & Tools
Pro-tip: Thinking of using Pex-A? Avoid Sharkbite (brand) brass fittings (found at some Lowes). The tiny shoulders make it next to impossible to get a proper fit on 90's and Tee's. :