4-Pack Mixed Aquarium Filter Sponge, Cut-to-Fit Filter Media with Ammonia&Carbon&Phosphate Reducer, Aquarium Foam Floss for Fish Tank Sump Ponds (12.6" x 5" x 1'')

【4-in-1 Aquarium Sponge Filter Pad】： Includes four premium filter foam sponges combining Ammonia, Carbon, and Phosphate reduction layers to effectively improve water quality and create a cleaner, healthier aquatic environment to fish tank.

• 【Cut-to-Fit Versatile Design】： Each aquarium foam filter measures 12.6" x 5" x 1" and can be easily cut to any size or shape to fit most aquarium filters, making it compatible with canister filters, hang-on-back filters, and sump systems.
• 【Effective Multi-Layer Filtration】： The dense foam structure traps debris and waste, while the activated carbon and chemical filtration layers remove pollutants and organic debris for crystal-clear water.
• 【Durable & Reusable Material】： This Spong Made of high-quality foam, each pad is washable and reusable multiple times without losing shape or efficiency, providing long-lasting filtration performance and reducing replacement costs.
• 【Ideal for Freshwater & Saltwater Tanks】： This sponge filter perfect for various types of aquariums, including freshwater, marine, and planted tanks, these filter foams help maintain balanced water chemistry for fish, shrimp, and corals.