A line of double-barb bulkhead fittings providing space for a secure tubing clamp is now available from Industrial Specialties Mfg., Inc. Materials offered include nylon, polypropylene, glass-filled nylon, polyethylene and PVDF (Kynar). Fittings include 1/4 and 3/8 I.D. barbs with optional 1/4 male elbow. Also available are 10-32 and 1/16 female threads. www.industrialspec.com Industrial Specialties Mfg., Inc.