Hood, Outside Air, Motorized Two Position & Filter Rack - A Two-Position Motorized 25% Outside Air Hood (Painted). Fits 1 or 2 Inch Filters for Horizontal or Down Configurations, 1 Inch Default Filters. Damper Opens When Indoor Fan Is Activated. Spring Return.
Warning: this product contains a chemical known to the State of California to cause cancer. P65Warnings.ca.gov