Specification Binding : Unknown Binding Brand : XMHF Label : XMHF Manufacturer : XMHF PackageDimensions_Weight : 1.90038469844 PackageDimensions : L:15.7099999839758 X W:5.2799999946144 X H:2.9899999969502 ProductGroup : Pet Products ProductTypeName : PET_SUPPLIES Publisher : XMHF Size : 4 Fan SmallImage_Height : 47 SmallImage_URL : https://m.media-amazon.com/images/I/41Mbq3xELWL._SL75_.jpg SmallImage_Width : 75 Studio : XMHF Title : XMHF 4 Fans Aquarium Chiller, Fish Tank Cooling Fan System for Salt Fresh Water, Only Fit for Aquarium Lip Width Less Than 1/2 Inch Weight : 1.9 WeightUnit : pounds