JBL ProSilent Aeras Micro S, air stone for fine bubbles with large bubble surface

Air pump accessory for aquariums: air stone made of quartz sand mixture with extra-fine pores – for especially fine air bubbles. Extremely large air bubble surface. Simply connect air stone to the air pump (not included), place inside the aquarium Green colour allows unobtrusive mounting For fresh and saltwater aquariums: conical oblong air stone Contents: 1 air stone for fine air bubbles, Aeras Micro S