Aquarium Filters Tetra AirSilent Mini and Maxi.

• Extremely quiet - like a whisper (Mini 34dB; Maxi 35dB)
• Complete set with air stone, check valve, and tube
• Easy installation with suction cup
• Compact design and extremely small dimensions (6 x 6 x 2.9 cm)
• Piezoelectric technology with low power consumption (no need for membrane replacement)
• Suitable for aquariums with a capacity of: 10-40 L Mini, 40-80 L Maxi
• The piezoelectric technology makes aeration pumps very quiet
• The ceramics inside the pump are powered by electricity, which creates vibrations and displaces air
• Technology used in speakers and air humidifiers
• With this technology, you can achieve sound levels