Spec.: Φ10*7 mm
Surface area:>1000m2/m3
Density:0.94-0.97 g/m3
Packing numbers: >850000 pcs/m3
Dosing ratio: 15%-70%
Life span: >15 years
Nitrfication efficiency: 400-1200 gNH4-N/m.d
Material : 100% Virgin HDPE