Airlift Biochemical Sponge Filter


Maximize your aquarium’s health with the Airlift Biochemical Sponge Filter. Featuring silent operation and dual mechanical and biological filtration, this sponge filter improves water clarity and enhances oxygen levels. It’s energy-efficient, easy to maintain, and perfect for small to medium aquariums housing fish like tetras, bettas, and shrimps.


Discover the superior water purification capabilities of the Airlift Biochemical Sponge Filter, designed to enhance the aquatic environment in your aquarium. This filter combines silent operation with a powerful filtering effect, making it an ideal choice for maintaining the health and clarity of your aquatic setup.

Key Benefits:

  • Silent Operation: Enjoy a peaceful aquarium environment, as this filter operates without noise.
  • Dual Filtration: Engages in both mechanical and biological filtration. The specialized foam material supports beneficial bacterial colonization, breaking down harmful waste such as ammonia and nitrite, thus promoting a safer environment for your aquatic life.
  • Enhanced Oxygenation: Increases oxygen solubility, crucial for the well-being of your fish, especially in densely stocked tanks.
  • Energy Efficient: Works with minimal wattage, ensuring low energy consumption without sacrificing performance.
  • Quality Construction: Made from durable materials, this filter is designed to outlast competitors. It’s easy to clean and maintain, ensuring long-term usability.
  • Versatile Use: Ideal for a variety of setups including breeding tanks and secondary filtration systems. Suitable for fish such as livebearers, shrimps, killifish, tetras, and bettas.

Product Features:

  • Efficient Permeability: Ensures stable water quality and facilitates the nitrogen cycle thanks to the aerobic bacteria that colonize the sponge.
  • No Dead Spots: The cylinder foam design eliminates dead spots, enhancing filtration effectiveness.
  • Easy Installation: Comes with adhesive suction cups that secure the filter to any smooth surface within your aquarium.

Usage Notice:

Before use, ensure to soak the sponge in tank water for 5-10 minutes for easy installation. For maintenance, avoid using hot or cold tap water to clean the sponge as it harms beneficial bacteria. Use aquarium water for optimal cleaning results.


  • Model PK-002: Suitable for aquariums up to 50-60 liters. Features a sponge diameter of 4.8 cm and an adjustable exhaust pipe height of 13.5 – 19.5 cm.
  • Model PK-004: Ideal for larger tanks up to 100-150 liters, with a sponge diameter of 6 cm and an adjustable exhaust pipe height of 23.5 – 36 cm.

Enhance your aquarium’s environment with the Airlift Biochemical Sponge Filter, a quiet, efficient, and reliable choice for aquarists looking to optimize their water quality and fish health. Perfect for both new setups and seasoned aquarium enthusiasts.

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