Ceramic Fish Tank Bio Media with Dense Tiny Holes, 20 Pcs Large Aquarium Bio Media Blocks 6.3 Inches, Aquarium Filter Media for Sump Tank, Canister Filter, Top Filters, Koi Pond

Color: gray Material: ceramic Size: 6.3 x 1.4 x 1.4 inches (L x W x H) Package Includes: 20 x bio media block Note: - Please refer to the measurement. Tiny measuring error is allowable in normal range. - There might be a little color difference due to the monitor, camera or other factors, please refer to the physical item.

• 【Enhanced Double Filtration System】 experience superior water clarity in your aquarium with our dual-action filter media. this product not only captures and removes floating particles and impurities through mechanical filtration but also features a biological system that efficiently eradicates odors and harmful substances, providing pristine and clear water conditions in your fish tank.
• 【Optimized Biological Filtration】 each block, measuring 6.3 x 1.4 x 1.4 inches, encompasses a hollow design filled with densely packed tiny holes. this unique structure not only traps debris but also significantly increases the surface area available for beneficial bacteria, facilitating a rapid establishment of a nitrification system that effectively breaks down undesirable substances.
• 【Durable And High-Temperature Resistant】 crafted from high-quality ceramic and kiln-fired at 1200℃/2192℉, our aquarium bio media blocks offer excellent resistance to disintegration. this enduring construction guarantees sustained effectiveness in purifying aquarium water over extended periods.
• 【Comprehensive 20-Piece Set】 our package includes 20 substantial bio media blocks, each 6.3 inches in length with a hole diameter of 0.6 inches. this ample quantity is ideal for fulfilling both replacement and initial setup needs, making it perfect for various types of aquarium setups including freshwater, planted tanks and more.
• 【Versatile Compatibility And Support】 designed to fit seamlessly with a myriad of filtration systems, these bio media blocks are suitable for use in bottom filters, top filters, and even custom-designed grooved filters. should you encounter any issues or have questions, our dedicated customer support team is readily available to assist you.