The SD Mini is small for deployment into storm drains, small ponds, pools, ditches, water drums and the like. The SD Mini omnidirectional transducer can easily slip through standard two inch inch grate or other small openings. With 12 feet of cable and and additional mounting rod, the transducer can be custom mounted to fit any needs. The transducer distributes acoustic energy uniformly in the horizontal plane and has a 60 degree volume of vertical coverage. All mosquito larvae within this torrid are killed instantly.