The EI-7903-PLUS air-assist pedestal kit is the enhanced version of EI-7903-A, makes the height adjustments with heavy loads simple and effortless. It is made up of the heavy-duty EI-7105H PLUS fluid head and AT7903-PLUS tripod pedestal, provides payload up to 20kg (44lbs) and working height adjustment from 120 cm to 202.5 cm (47.2in-79.7in).