Watson-Marlow Alitea offers a wide range of barb fittings for gas and liquid handling. Fittings are available in different materials as; Kynar (PVDF), Polypropylene, Radiation stable PC-9002, low cost nylon, Polycarbonate, etc. For tube sizes from 1.5 mm to 25.4 mm ID-tubing. USP Class VI Materials Kynar, polypropylene and polycarbonate fittings, and polyurethane tubing are made from USP Class VI certified raw materials. Material certifications indicate if a resin is USP Class VI. Documentation and traceability We assure full traceability of our products. Material Certification and Certificates of Compliance are available at no charge and must be requested at order placement. | 
