For Use With Portable Generators Model Numbers Ds4000S, Predator 3500, Predator ??Dimensions?: 24 x 17 x 18 inches, universal generator cover fits for most of generators (DS4000S/XP4000S/DS4000WEG/WEN 56310ic/56310i-RV/WEN 3800/ Predator 3500 /EU3000iS/ Westinghouse igen 4500/Champion 4500/ Powerhorse 3500/ Cummins Onan P4500i/Harbor Freight Predator 4375), please measure the width, depth, and height of your generator before purchasing. ??Ingenious Design?: The four corners of the generator cover are designed with arcs?plus the fixed upper part of the front flap?which makes the cover fit the out frame of the generator very well like a cap on the head. Design of the bottom velcro straps, buckle straps and hem cords allow adjustment for a tight and custom fit to secure your generator cover on the windiest days. Waterproof Windproof. ??Easy to Use?: a): Handles on both sides of the cover for easy installation and removal. b): At the one end it has a velcro secured flap that conveniently fits over the handles and inside wheels with ease. Air vents provide maximum ventilation and minimum condensation. ??Weather/UV Resistant?: Portable generator covers made of 600D durable polyester fabric with PU coating which much better than PVC, water protection (level 4). It has good tear resistance and fade resistance, UV protection in summer and snow protection in winter. ??Trusted Brand?: We provide free return and exchange service, please contact our customer service to tell us your needs or suggestions before you give bad feedback. We will give you a satisfactory answer.