These belt driven cooling fans improve performance and fuel mileage. We offer many styles and sizes. Derale 17015 heavy duty 15" stainless flex fan standard rotation Derale 17017 heavy duty 17" stainless flex fan standard rotation Derale 17018 heavy duty 18" stainless steel flex fan standard rotation Derale 17019 heavy duty 19" stainless flex fan standard rotation Derale 17217 heavy duty 17" chrome stainless flex fan standard rotation Derale 17218 heavy duty 18" chrome stainless flex fan standard rotation Derale 17617 heavy duty reverse rotation 17" stainless flex fan Derale 17618 heavy duty reverse rotation 18" stainless flex fan Derale 19113 high performance stainless 13" flex fan Derale 19115 high performance stainless 15" flex fan Derale 19117 high performance stainless 17" flex fan Derale 19118 high performance stainless 18" flex fan fan spacer 1/2 inch fan spacer 1 inch fan spacer 1 1/2" fan spacer 2" fan spacer 2 1/4" We welcome CANADIAN customers! For ordering information, click on "Orders To Canada" at the top left side of this page. PAYMENT METHODS: PayPal, Visa, Mastercard, Discover, American Express, money orders.