SUNSKY Nano Air Disk Stone Fish Tank Bubble Oxygen Pump Air Refiner 150mm

Weight: about 63 grams at a diameter of 45 mm, about 130 grams at a diameter of 50 mm, about 443 grams at a diameter of 100 mm, about 601 grams at a diameter of 150 mm, and about 1050 grams at a diame

Dimensions: diameter 45/50/100/150/200 mm

Material: ceramic sand

Suitable for fish tank size: diameter 45 mm for fish tanks within 50-100 cm, diameter 50 mm for fish tanks within 50-120 cm, diameter 100 mm for fish tanks within 90-180 cm, diameter 150 mm for 100-20