AL-R Series standard Elbow Adapters have male NPT threads of 1/8 inch, 1/4 inch, 3/8 inch, 1/2 inch, 3/4 inch, and 1 inch. The single barb sizes range from 1/8 inch to 1 inch. This adapter is available in natural, white, and black nylon, glass-filled black nylon, natural and white polypropylene, natural and gray PVDF, and high-density polyethylene. BSPT threads are also available. Material availability may vary with size.