DONGKER Aquarium Double Sponge Filter,Biochemical Filter Sponges for Aquariums Fish Tank Oxygen Increasing and Cycle

• Double-head Multi-layer Filter Sponge: porous structure enhances filtering effect, multi-groove design, increase filtering surface area. Soak the sponge in the fish tank for about 5 minutes before use.
• Multi-filter Box: upgrade the air bubble stone at the air inlet pipe, add the middle filter box, can accommodate more filter materials (excluding filter materials)
• Pneumatic Oxygenation: optimize the air outlet pipeline design, large air volume, uniform and fine bubbles, quiet, wide diffusion range, need to connect to the air pump for use (the package does not include the air pump air pipe).
• Removable Design: convenient for cleaning and replacement maintenance.suitable for for shrimp tanks, betta fish tanks, breeding ponds, goldfish, angelfish, crayfish, deep fresh fish, young fish or other fish
• SHOP WITH CONFIDENCE: To provide you with the highest quality service, If you have any question, please contact us.We will provide after-sales service .

Welcome to my store, Hope you have a pleasant shopping trip! Features: 1.Double-head multi-layer filter sponge: porous structure enhances filtering effect, multi-groove design, increase filtering surface area. Soak the sponge in the fish tank for about 5 minutes before use. 2.Pneumatic oxygenation: optimize the air outlet pipeline design, large air volume, uniform and fine bubbles, quiet, wide diffusion range, need to connect to the air pump for use (the package does not include the air pump air pipe). 3.Telescopic catheter, suitable for different height tank environments. 4.Removable design: convenient for cleaning and replacement maintenance.suitable for for shrimp tanks, betta fish tanks, breeding ponds, goldfish, angelfish, crayfish, deep fresh fish, young fish or other fish Specifications: Material: plastic Size Model: X-100A, suitable for fish tanks: fish tanks below 60cm Total volume of filter box: 100ml Telescopic tube length: 23.7cm-29.5cm/9.3"-11.6" Model: X-200A, suitable for fish tanks: fish tanks 60cm and above Total volume of filter box: 200ml Telescopic tube length: 23.7cm-29.5cm/9.3"-11.6" Package List: 1X Aquarium Double Sponge Filter Notes: 1. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We that is the same as shown in the pictures. 2. Please allow 1-2cm slight dimension difference due to different manual measurement.