Specification Binding : Misc. Brand : Small Parts Color : Tannish White Label : Small Parts Manufacturer : Small Parts MaterialType : Ceramic Model : PCD-34080 NumberOfItems : 1 PackageDimensions_Weight : 0.05 PackageDimensions : L:3.999999995920000 X W:2.999999996940000 X H:0.249999999745000 PartNumber : PCD-34080 ProductGroup : BISS Basic ProductTypeName : CERAMICS Publisher : Small Parts SmallImage_Height : 75 SmallImage_URL : https://m.media-amazon.com/images/I/31CGwIb0VRL._SL75_.jpg SmallImage_Width : 56 Studio : Small Parts Title : Porous Ceramic Disc, Tannish White, 3 Bars Air Entry, 0.80 Micron Pore Size, 2-1/8" OD, 0.281" Thick (Pack of 1) Weight : 0.1 WeightUnit : pounds