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

• Dual action: delivers both physical straining of detritus plus potent biological action; eradicates foul odors and harmful agents; yields strikingly clear tank environments
• Swift growth, superior cleansing: each block, sized at 6.3 x 1.4 x 1.4 in, utilizes a porous design for outstanding particle trapping; increases area for bacterial establishment; catalyzes waste breakdown via robust nitrification
• Resilient build: baked at intense heat—2192℉—using ceramic components; resists degradation; facilitates water refinement spanning years
• Substantial quantity: contains twenty sizable biological filtration units; each measuring 6.3 in; bore diameter of 0.6 in; ideal as ample replacement modules; for underwater gardens, sumps, or garden ponds
• Versatile use: suits an array of filtration setups; integrates into base, overhead, reservoir, or barrel mechanisms; adapts into bespoke channeled arrays