Industrial Grade Lamella Clarifiers are used for settling of waste water in treatment plants and consists tanks with inclined plates or tube packs on the top portion. The Clarifiers has the feature that the settling takes place on the media surface and the effective settling area is the media surface area. The Clarifiers have sludge handling system that can be dome scrapped mechanism or without scrapper in a hopper bottom tank. The Industrial Grade Lamella Clarifiers have the feature that the laminar flow regime in maintained between the layers of the media.