Specification Binding : Misc. Brand : Pawfly Color : Grey Label : Pawfly Manufacturer : Pawfly PackageDimensions_Weight : 0.220462262 PackageDimensions : L:10.9448818786 X W:2.4015748007 X H:0.6692913379 ProductGroup : Pet Products ProductTypeName : PET_SUPPLIES Publisher : Pawfly Size : 8 Inch SmallImage_Height : 75 SmallImage_URL : https://m.media-amazon.com/images/I/51LWB3I6HvL._SL75_.jpg SmallImage_Width : 75 Studio : Pawfly Title : Pawfly 8 Inch Air Stone Grey Mineral Bubble Stone Bar Diffuser Bubbler Airstones for Aquarium, Fish Tank, and Pump Weight : 0.2 WeightUnit : pounds