Boyu Ceramic Size:500 • Adopt high quality air

• Adopt high quality air racket

Chemically stable- fully in line with the original micro-organisms living chemical environment

with an additional 10 gallons for each additional fish

Eliminate oil film and fine flotage on water surface

large home aquariums– Includes air value kit for multiple tank use

Boyu Ceramic Size:500 • Adopt high quality airSuitable for fresh water salt water fish tank. To fully exert biological filtration capacity of law porous filter ring. This product is mix made of the softy active carbon and ceramic. Chemically stable fully in line with the original micro organisms living chemical environment. High permeability which can be aerobic nitrification and anaerobic denitrification to make the water more stable is the best biological filter material.