Specifications 16 gauge plated cylinder tested for up to 600 lbs, pressure. 100 lbs. gearless pressure gauge provides pinpoint pressure control. Built-in air compressor easily pumps up to desired pressure. Flexible cone seals drains ranging from 1-1/4″ to 4″diameter. Equipped with Schraeder valve for use with external air compressor when clearing difficult stoppages. Standard fittings include caulking hose, 4″ tapered rubber cone and five tapered rubber plugs for sealing openings from 1-1/4″ through 4″.
