Thomas C. Wilson, Inc. (Long Island City, NY) offers three pneumatic tube cleaning systems for hvac, boilers, heat exchangers, condensers, and chillers: the Wils-Away 3000, 4000, and 4500. Each kit includes a pneumatic drive kit, flexible shaft and casing, six spiral brushes or an expanding brush and refill set, and a foot pedal for hands-free on/off operation.