Cart Brass PEX Crimp x Poly B Adapters Showing all 2 results Default sorting Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low 1/2″ PEX x 1/2″ Poly B Brass Coupling kit (Lead Free) $1.67 Add to cart 3/4″ PEX x 3/4″ Poly B Brass Coupling kit (Lead Free) $2.39 Add to cart