1.Used in rearing pond as a filter 2.provided with high filter character
filter medium consisting of porous ceramic pipes suitable for use in freshwater and saltwater aquariums.
*Double features filter medium, can be used as a mechanical prefilter medium for coarse particles or as a biological filter medium. As prefilter medium, protects the biological filter material from rapid silting. *The hollow structure provides ideal conditions for beneficial bacteria, whilst at the same time allowing excellent rates of water-turnover. *Highly efficient surface for beneficial bacteria to colonize.
we have different size for ceramic rings 5#(1.5*1.5cm), 10# (2.2*2.5cm), 17# (1.0*1.0cm)
package:25kg/bag gross weight:25.5kgs net weight:25kgs package size:63*38*18