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

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.

• Dual-stage action: to mechanically eradicate particulate matter and biologically reduce dissolved pollutants; removes scents and unhealthy elements; encourages strikingly pure conditions
• Accelerated maturation, enhanced purification: each block, at 6.3 x 1.4 x 1.4 in, is optimized to capture debris via a maze of micro-channels; promotes robust microbial communities; enhances the breakdown of organic waste
• Solid longevity: formed using high-density ceramic and toughened by a 1200℃ firing process; holds integrity against erosion; supports effective, consistent filtration across many years
• Substantial supply: includes twenty blocks, each 6.3 in long, and perforated with a 0.6 in channel; supports multiple uses and replacements; integrates well into tropical or temperate setups and constructed ponds
• Wide spectrum adaptability: compatible across several water-cleaning technologies; works effectively within sub-sand, overhead, tank-bottom, or tailor-engineered contexts