Regular Black Polymer Slim Pit with Black Polymer Grate Black Polymer Slim Pit with Black Polymer Grate Allows seamless connection to the sewer & drain system Built in Bottom outlets on all 4 sides for joining to 3in, 3.5in & 4in sewer & drain pipe Easy clip together design Easily removable grate for cleaning Made from lightweight, recycled UV stabilized Poly Propylene Polymer