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

Color: yellow 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.

• Filtration, dual: as physical filtration, capturing grime, contaminants, and floating particles; delivers effective biological filtration to get rid of odors and detrimental substances, renewing the water to clarity
• Culture, speedy & thorough cleansing: every block at 6.3 x 1.4 x 1.4 in (l x w x h) sports a hollow form with dense tiny openings, allowing notable absorption of bits and residue; yields wide area for bacterial colonization, encouraging a stable nitrification cycle that breaks down noxious matter
• Sturdy performance: crafted from ceramic material and processed at a high temperature of 1200℃/2192℉, these blocks withstand damage and breakdown, providing lasting water care
• Volume set, two dozen: the package includes a group of twenty big bio filter blocks with a 6.3’’ length and 0.6’’ hole diameter, enough for future needs and changes; works well in freshwater and planted tanks, basins, and fishponds
• Use, extensive: this bio media integrates smoothly with many filter types; whether employing bottom, top, reservoir, container, or filtering devices, these blocks are your solution