JBL Aeras Micro Ball L, air stone 40 mm in diameter for fine bubbles

Air pump accessory for aquariums: air stone made of quartz sand mixture with extra-fine pores – for extra fine air bubbles. Particularly suitable for the aeration of ponds Air stone easy to connect to the air pump (not included), place inside the pond or aquarium No extra weighting: own weight of the air stone keeps it on the ground For fresh and saltwater aquariums: ball shaped air stone Contents: 1 air stone, 40 mm diameter, Aeras Micro Ball L