AGPtek Mist Maker Fog Maker for Water Fountain Pond Rockery Fishtank Vase Birdbath Add a stunning mist effect to your pond or water tank to filter the bad smell with electro and ultrasonic technology; Ideal for indoor or outdoor fountains, water feature, and office use. Easy to operate, put in the water and the voltage is 24V, then the mist appears. Atomization Amout: 400mL/H Mist Maker Size: 4.6 cm diameter, 4.2cm tall