Flex-a-lite 1390 - Flex-a-lite 10,000 RPM Flex Fans

With a rating of 10,000 RPM (the highest in the industry), these Flex-a-lite semi-flex stainless steel fans are recommended for high performance and heavy duty applications. Blades are designed to flex and flatten out at higher RPM when fan draw is not needed. Excellent for the high level demands of towing and air conditioned vehicles. Projected width is 2-1/4''.