This manifold is made of high-quality black PVC material that ensures durability and longevity. It features eight straight barbs that measure 3/8 inches each, totaling 32 barbs altogether. The manifold is perfect for repair and maintenance of spas, hot tubs, and pools. Its California Prop 65 Warning label indicates that it is safe for use without any health hazards. Get this manifold for your outdoor living and garden needs.