The Aqua Fizz airstone diffuses water in every direction, increasing surface agitation, and creating a dramatic air display. As well as being decorative the Aqua Fizz helps to accelerate oxygen replenishment, and helps to release carbon dioxide build-up. This small size Aqua Fizz fits common box filters and undergravel riser stems. Cylindrical – 1.5cm (½”) diameter. 2.5cm (1”) long
