FireBoard Drive Blower 20CFM

Powerful blower that can be installed on many smokers using included adapter plates. Built-in sliding damper to fine tune airflow.Small/Medium Adapter Plate: 2.75 x 1.97″ (70 x 50mm)Large/XL Adapter Plate: 3.43 x 3.03″ (87 x 77mm)Specifications:Variable Speed, powered by FireBoard’s internal battery **Power source: 12 VDC, 0.68A, 8W (not included)Cable length: 4.5 ft (1.4 m).Power connector: 2.5 mm barrel plugBlower maximum flow rating: 20 CFMBlower opening: 1.2 x 1.6″ (30 x 40 mm).Flange outer dimension: 1.95 x 2.45″ (49 x 62 mm).Flange mounting hole distance: 1.32 x 2.05″ 34 x 52 mm, hole size, 3 mm in diameter.