• Item Type: Water & Air Pumps
• Pet: Fish
• Material: Mineral Stone, Plastic
• Tube Calibre: 0.4 cm / 0.16 inch
• Size: Dia. 4 cm / 1.57 inch
• Suitable for: 30-60 cm / 11.81-23.62 inch Aquariums
• Features:
• Suitable for freshwater, saltwater/reef aquariums and hydroponic use
• Increase oxygen levels, lower CO2 and raise pH
• Durable, washable and sintered by high temperature, different from other air stones

Package Includes:

• 1 x Stone