- 8-Layer Advanced Filtration: Our aquarium filter pad features eight layers of specialized media, including nano-bio-sponge filters, fiber bio sponge filters, dual layers of 3D mesh cloth, ultra-high precision cloth, and activated carbon cotton. This multi-layer design effectively captures both large and fine particles, ensuring crystal-clear water by filtering out impurities and harmful germs. - Superior Quality and Durability: Crafted from high-quality nano bio sponge and fiber bio sponge materials, our filter pad is reinforced with ultra-high precision cloth and durable 3D mesh. This construction, bonded with eco-friendly resin, provides long-lasting performance and is more resilient than traditional filter cotton. It is designed for easy cleaning and maintenance. - Customizable Size: Measuring 19.3 in × 15.7 in × 0.8 in thick, our filter media can be easily cut to fit any aquarium or filtration system, allowing you to tailor the pad to your specific needs while saving costs. - Versatile Applications: Ideal for both freshwater and saltwater aquariums, this filter pad serves multiple purposes. Use it as a fish tank accessory, pre-filter for wet/dry filters, in sewage tanks, tank filters, reef tanks, ponds, or in aquaponic systems. It’s particularly effective for resolving yellowing water issues in fish tanks. Experience enhanced water clarity and healthier aquatic environments with our premium 8-layer aquarium filter pad.