Flex-a-lite 30 Electra-Fan II Black 15" Electric Fan Overall dimensions of 16" x 18" x 4 1/2" Flows 1,950 cfm (cubic feet per minute) at only 9.8 amps of current draw Increases horsepower while extending water pump life (when used to replace belt fan) Comes with an adjustable temp sensor and A/C relay One year manufacturer warranty