The VXD Series, also known as "THE FOOD TRUCK FAN," is the best Exhaust Fan for mobile kitchens, food trucks and concession trailer applications. We've taken our best-selling grease rated VXD series fan and wrapped it in a low-profile package so you can take our direct drive reliability and efficiency on the road. Now we've added an Electronically Commutated (EC) Motor for premium efficiency across the RPM range. VD-FTVXD85-ECM-0750HP Premium Efficiency 1 Phase Direct Drive Restaurant Exhaust Fans with Electronically Commutated Motors and Speed Control Includes Electronically Commutated (EC) Motor for operation between 300 and 1800 RPM EC motors provide greater efficiency than conventional ODP motors Through-Bolt Mount Motor support for mobile applications Low Profile Shaft Wrapper for concession stands/food trucks Base 24.75" x 24,75" 500 to 2250 CFM Disconnect switch Two Year Manufacture's Warranty