R. L. Craig Company, Inc.
11524 Commonwealth Drive Louisville, KY 40299 Phone: 800-252-4235 • Fax: 502-245-1462 Email:sales@rlcraigco.com • Website:www.rlcraigco.com
UL 181, Class 1 air duct. Manufactured with a tri-directional fiberglass scrim reinforced, metalized polyester outer jacket. The inner core is a double lamination of tough polyester and steel wire helix.
Acoustical Attenuation Benefits
Working Pressure: + 6" wg for 6" dia to 12" dia + 4" wg for 14" dia to 20" dia - 0.75 wg for all diameters