Derale 17019 19” Heavy Duty Stainless Steel Standard Rotation Flex Fan, Black Hub

19 Heavy Duty Stainless Steel Standard Rotation Flex Fan, Black Hub Our 19 Heavy Duty Standard Rotation Fan Features Thick Black Steel Hubs And 6 Stainless Reinforced Blades With A Large Surface Area That Improve Performance And Fuel Economy And Is Rated Up To 10,000 Rpm. The Large Surface Area Of The Blades Pull More Air At Lower Speeds Than Other Flex Fans. Specifications Diameter 19-1/4 Flange Bolt Spacing 1-3/4 – 2-1/4 Depth 2-3/8 Mounting Surface To Front 1/2 Mounting Surface To Rear 1 7/8 Rotation Standard (Clockwise) Hub Construction Powder Coated Black Steel Blade Construction Stainless Features Improves Performance And Mileage Heavy Duty Steel Hubs Durable Stainless Blades Rated Up To 10,000 Rpm Large Surface Area Pulls More Air At Low Speeds Reinforced Blade Construction Extends Fan Life 19 Standard Rotation Flex Fan Design