Spec.: Ф5*10 mm
Surface area:>3500m/m3
Density:1.02-1.05g/ms
Packing numbers :>200000 pcs/m3
Dosing ratio:15%-70%
Life span :>15 years
Nitrfication efficiency :500-1400
aNH4-N/ms.d
Material : 100% Virgin HDPE