1/2" AccuCrimp Engineered Plastic Pex Elbow(10PCS) is a great alternative to brass but connected using the same crimping methods as brass fittings. Use in well water sourced potable water. Being made of engineered plastic makes it resistant to chlorine stress crack corrosion and scaling. Has unique positioning tabs that provide accurate crimp positioning every time. No problems with crimping too far back or too far forward, preventing leaks.