Fogger buoy for M005 (M005A), MCL03 or ML05, it holds fogger at its optimum working position in water. It gives the best fogging effect when fogger is sit at 2 1/4″ to 2 1/2″ below the water surface, this M005(DK5) fogger buoy was specially designed as a perfect auto buoy for outdoor pond or deep container where you may need something to support the fogger at that position. Buoy size: 8″(outside diameter) x 3″ adjustable height (for adjusting the amount of fog output).