Four rubber suction cups on the bottom allow for attachment to smooth surfaces, reducing noise and vibrations Perfect for water fountains, aquarium, ponds, fish tanks, tabletop fountains, water garden and hydroponic Systems Make of ABS, strong and enduring, for long terms use low power, keep reliability and low noise operate, giving you quiet environment Not need any tools to detach it, easy to separate, easy to clean, Manufacturer: Oxxggkao