ARP Brush Cleaning Pigs consists of a carbon-steel body (bolting pattern configuration type) equipped with two (2) easily replaceable polyurethane cups, one (1) easily replaceable polyurethane disc, and leaf-spring mounted brush assemblies. Options and other configurations include carbon-steel, stainless-steel or aluminum body; cups manufactured from neoprene, viton, epdm, buna-n or other elastomer compounds for special services; carbon-steel, stainless-steel, prostran brushes, or polyurethane blades; aluminum or steel gauging plate of varying thickness (available with slots); transmitter or pinger cavity; magnets for ferrous debris or for magnetic detection; customized dimensions for special pigging applications.