1. Dual Filtration – Physical and Biological
This sponge cover not only traps physical particles like uneaten food and debris but also offers a large surface area for beneficial bacteria to grow, improving water quality through biological filtration.

2. Shrimp and Fry Safe Protection
Specially designed to prevent small creatures from being sucked into your filtration system. Essential for shrimp tanks, breeding tanks, or nano aquariums.

3. Silent and Stable Operation
The sponge reduces the noise typically caused by strong water intake, promoting a calm and quiet aquatic environment.

4. 多种尺寸和孔型
Choose between fine or dense foam, with sizes tailored for different setups. Easy to install over your intake tube for fast upgrades or replacements.