ISTA Air Stone 50mm (5cm)

ISTA Air Stone 50mm (5cm) Simple appearance, easy to clean Increase the amount of dissolved oxygen in the fish tank, ultra-fine bubbles and high-density nanopores, small air volume motor can also achieve the refinement effect. Includes air regulating valve*1, check valve*1, Tube suction cup*2 ⭐This product must be used with an air pump How to use It needs to be used with an air pump motor and air duct. Before use, it is recommended to soak in warm water for 30 minutes to open the pores