Nano Air Disk Stone Fish Tank Bubble Oxygen Pump Air Refiner, Diameter:45mm(White)

Nano Air Disk Stone is an air refiner designed for fish tanks. It connects to an oxygen pump to produce fine bubbles for improved oxygenation.

• Weight: 63 grams (45 mm), 130 grams (50 mm), 443 grams (100 mm), 601 grams (150 mm), 1050 grams (200 mm)
• Dimensions: 45 mm, 50 mm, 100 mm, 150 mm, 200 mm diameter
• Material: ceramic sand
• Features: fine bubbles, large amount of bubbles, high temperature sintering, matte surface, uniform air output
• Compatibility: 45 mm for fish tanks 50-100 cm, 50 mm for fish tanks 50-120 cm, 100 mm for fish tanks 90-180 cm, 150 mm for fish tanks 100-200 cm, 200 mm for fish tanks 180-300 cm
• Connection: requires an oxygen pump, check valve, converter, suction cup, and 2m long 4mm trachea (45 mm and 50 mm without check valve, 150 mm and 200 mm with two suction cups)