Why You’ll Love It
The multi-layer filtration system helps to clear and make healthy water. hygger 230 high-density filter sponge can be accurately cut to the desired size with scissors. It is simple to install in a wide variety of filtration systems for freshwater and saltwater fish tanks and ponds.

Key Features
Multi-layer Efficient Filtration
The fine pore structure efficiently captures medium-sized particles such as suspended debris, leftover fish food, and organic waste in the tanks. The ultra-thick HG230 filter sponge help keeping aquarium water cleaner and healthier.

Improved Water Clarity&Quality
By effectively capturing floating impurities, hygger 230 black filter sponge promotes crystal-clear water for aquatic life.
Premium Material&High-Density
Made from premium materials and high-density materials that resist collapsing and fiber shedding. Easy to rinse and reuse. No need for frequent replacement.

Customizable&Free Cutting
You can accurately cut the pad to the desired size with scissors, and simply install it in a wide variety of filtration systems in freshwater and saltwater aquariums, including canister filters, top filters, and sump tanks.

Easy Restoration After Unpacking
Simply soak the black filter sponge in warm water for about 30 min. It will return to full shape and be ready for use.
Usage Tips
- Due to vacuum packaging, slight size changes may occur; it is normal and does not affect performance.
- To restore the sponge to its original shape, please simply soak it in warm water (104–140°F/40–60°C) for about 30 min, then squeeze out excess water or dry itbefore installation.

Specification
Package:
1 x High-density Filter Sponge













Mine expanded just fine and made my Top Fin PF40 WAY quieter and even flowing.