Cardinal Rubber & Seal is a distributor of rubber products and hydraulic equipment in Roanoke, Va. The company has been in business for more than 25 years, and complies with the ISO 9002:1994 standards. It stocks an extensive inventory of Weatherhead components, such as fabrication equipment, fittings, hose and tubing, thermoplastic hose, and ends and assemblies. The firm stocks plastic tubing, hose and fittings in standard and metric sizes. It also stocks a comprehensive inventory of Dixon products, including hydraulic and pneumatic quick disconnects, fittings and adapters, pneumatic tubing, swivel joints, filter, regulator, lubricator units, hose clamps, valves, hydraulic filtration units and airline fittings. Cardinal Rubber & Seal is headquartered in Roanoke, Va., and has branches in Rock Hill, S.C., and Richmond, Va.