The ISTE pig is constructed of a steel mandrel body with spring mounted HZ brushes, two DC cups and three seal discs. The cups and discs are made of MAXITHANE™, Inline’s custom blend of polyurethane. The ISTE pig is used for extreme cleaning, removal of black powder and wax, and batching out unwanted materials.


– Size Range: 12″ to 48″

– 3 Seal Discs, 2 DC Cups

– HZ brushes for heavier cleaning

– Superior sealing and scraping

– Ring brushes

– Polyblades

– Transmitter housing