5.9 Inch Aquarium Airstone, Aquarium Fish Tank Air Bubble Stone, Curtain Bubble Generator Hydroponic Oxygen Plate for Fish Tank Pump

Description

DIRECTIONS FOR USE: 1 Connect air stone with air tube（air tube is not included 2 Soak in the water for 15 minutes before use 3 It's durable and be used for a long time .When it is clogged with dirt or producing bubbles with low quantity,please wash it for re-used Specification: Material:silicon carbide and plastic Function: increasing oxygen Product type: gaseous disk Diameter: 15cm