658 PIPE AND TUBING 65805 * Pipe, Aluminum 65809 * Pipe, Asbestos-Cement 65818 * Pipe, Bituminized Fiber 65822 * Pipe, Brass 65828 * Pipe, Cast Iron 65830 * Pipe, Chrome 65831 * Pipe, Clay 65834 * Pipe, Concrete 65835 * Pipe, Copper 65841 * Pipe, Fiberglass 65846 * Pipe, Iron 65850 * Pipe, Lead 65856 * Pipe, Plastic 65858 * Pipe, Polyethylene 65860 * Pipe, PVC (Polyvinyl Chloride) 65874 * Pipe, Soil 65877 * Pipe, Stainless Steel 65880 * Pipe, Steel 65882 * Pipe, Steel, Wrought 65888 * Tubing, Brass and Copper 65891 * Tubing, Plastic and PVC 65894 * Tubing, Stainless Steel 65895 * Tubing, Steel