Performance: With acid , alkali , temperature , wear and other properties.Direct filtration, simple process, good water permeability, uniform and stable accuracy, easy installation, high efficiency, long service lifeThese filters clean easily under running water and are dishwasher-safePermanent coffee filters let all of the coffee flavor through for richer tasting coffee.Filter is form fitting and will adjust from oblong to round based on the brew basket and will hold the required shape once coffee is brewed.Product size: caliber: 123.5mm; bottom length: 58mm; height: 85mm.Filter: Stainless steel filter.Tips: The maximum mesh size of nylon mesh is currently 400 mesh.colour:blackMaterial:food grade PP materialPackage Contents:1 x CupOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.