Abstract: The invention involves an adjustable drain control assembly for a bathtub or the like, comprising a cylindrical component having both end and side openings exposable within the tub when installed, and having a total flow capacity of the order of that of said cylindrical component, and a cap rotatably installed over such openings, the cap having corresponding end and side openings adapted to be simultaneously aligned with the end and side openings in the cylinder component, to permit of maximum drainage flow through the drain control assembly.