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

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.

• Our dual-action aquarium bio media provides not only mechanical filtration to capture and absorb dirt, impurities, and floating particles but also offers biological filtration. this system effectively eliminates odors and harmful substances, ensuring crystal clear water conditions in your tank.
• This aquarium filter media features a hollowed design with a dense distribution of tiny holes over its 6.3 x 1.4 x 1.4 inches dimensions. it not only traps debris and particles effectively but also provides excessive surface area for beneficial microorganisms to thrive, establishing a robust nitrification system to neutralize detrimental substances.
• Built to last, our ceramic bio media blocks are kiln-fired at a high temperature of 1200℃/2192℉, making them tough and resilient against breakdown. this ensures consistent, effective purification performance for many years.
• This set includes 20 generous-size biological media blocks, each measuring 6.3 inches in length with a hole diameter of 0.6 inches. they are ideal for a wide variety of aquatic settings, including freshwater tanks, planted tanks, sumps, and ponds. such quantity ensures ample supply for both usage and future replacement.
• Our versatile aquarium bio media adapts effortlessly to various types of filtration systems, such as bottom filters, top filters, pond filters, canister filters, and even custom-designed grooved filters. should you have any queries or need assistance, our customer support is always available and eager to help.