This standard, compact Composite PTC Manifold Union is designed for composite (PBT) bodies, available in two tube OD sizes: 1/2" and 3/8", with connections at 1/2" OD and a union at 3/8" OD. Crafted from composite material (PBT) with an O-Ring & Packing Material of NBR (Acrylonitrile Butadiene Rubber), it offers quick connections, reusable design, and durable construction. The ergonomic sleeve design ensures easy tube release, and it's compatible with polyurethane and nylon tubing.