140mm case fan: Dimension: 140mm(L) x 140mm(W) x 38mm(H) / 5.51 x 5.51 x 1.5 in. per fan; Package include: 1 Piece fan include fan grill and mounting screws & nuts
High CFM Fan: The reverse design of the fan frame makes the air volume more concentrated and the air volume is farther away
Fan specifications: Voltage rating: 12 volts at 1.5 amps; Operating speed: 3000 rotations per minute; Airflow rate: 223 cubic feet per minute; Sound level: 46 decibels; Connector type: XH2.54-2Pin; Cord length: 30 centimeters or 11.8 inches; Intended for high airflow applications but may produce excessive noise.
Big air flow: 223CFM; DIY used for purposes such as circulating air in basements, creating airflow in workspaces, ventilating greenhouses, small radiator, amplifier, gaming pc case and improving air circulation in enclosed spaces to reduce heat buildup
Bearing type: Dual Ball Bearing ; Life: 50000 hours; Allows the fans to be laid flat or stand upright. its effectiveness in generating powerful air currents akin to a hurricane within a space