Description: Made of good quality material. Not only for the filer of water but also for balancing the PH value. Premium ceramic media covered with thousands of porous tiny holes provides a large surface area. Aquarium media block effectively absorbs fish waste and debris, providing clean water for fish to thrive. Size: 3.7" long, 1.1" in diameter. The package includes 10 pcs of ceramic blocks. It can be cracked into pieces to any size needed. Great for use in freshwater and saltwater aquariums, planted aquariums, sumps and ponds. Size: 9.5*2.8*2.8cm Package: 10pcs * zalati ong Large Aquarium Filter Media.
eBay