40/60/80mm Aquarium Air Bubble Stone Fish Tank Aerator Pond Pump Bubble Disk Air Pump Hydroponic Oxygen Plate for Fish Tank

Features:
Increase oxygen levels, lower CO2 and raise pH
It is an important instrument to successfully keep aquatic fish for respiration process
Durable, washable and sintered by high temperature, different from other air stones
Creates bubbles in fish tank while attached to an air pump
Creates water currents and dazzling underwater scenes
Easy and convenient to use.

Specifications:
Diameter(appr.): 40/60/80mm
Material: Natural sand + Plastic
Color: As picture
InterFace:
40mm-4mm,
60&80mm-4mm+8mm
Qty: 1Pcs