one that uses an air hose from your air compressor to connect the air-line shut off valve and easily fill the tank and 1 to use an air hose to connect to the quick connect coupler end

Ultimate MXII 595

Air- #6 Vane Cast Iron Air Motor - LESSHOSE(Reel Only) - 1" x 100'

Country of Origin (subject to change): United States

Allegro 1-Worker SAR Shield w/ Black Welding Helmet System with 50’ Hose 0.7 CFM one that uses an airOur Deluxe Supplied Air Shield and Welding Helmet is performance proven and a cost effective system used by foundries, aluminum plants, mines, chemical plants, refineries, auto manufacturers, metalworking and fabrication. The Supplied Air Respirator delivers a constant and powerful supply of breathable from a clean air source. They include one or two shields welding helmets, a 3 4 hp or 1 1 2 hp breathing air pump and one or two 50 foot breathing