Constructed to help evenly spread out airflow from your duct opening, the 801 series butterfly air damper with installation ring is used to cover duct openings in conjunction with a round air diffuser. The design is simple and features high quality steel, brown powder coat finish removable knob control and a plastic key to open and close the damper. Using our product to outfit your ventilation system will improve your home or office air circulation.. Butterfly damper controls airflow into a room. Made of high quality steel. Brown powder coat finish. Removable knob control. Duct opening measurement. Compatible with model# E800-08. Maximum Duct Opening Length (in.): 8. Maximum Duct Opening Width (in.): 8. Installation Location: Wall. Installation Location: Ceiling. Decorative: No.This item may be a factory return, open box, or last year model. It may show cosmetic imperfections such as scratches, scuffs, dents, or signs of handling. Items may also be missing parts, hardware, shelves, trim pieces, manuals, or accessories normally included with brand-new units. Because these are factory returns/open-box items: Not all imperfections or missing components may be listed or photographed. Items may require minor repair, adjustment, or additional parts. Units may come in non-original or damaged packaging. All items are sold AS-IS with NO returns, NO refunds, and NO exchanges, regardless of condition, missing parts, or shipping related cosmetic issues. Manufacturer warranties are not guaranteed. By purchasing, the buyer acknowledges and accepts and accepts all conditions above.
