Filter anthracite

Filter anthracite is used in nearly all water treatment systems, particularly in multi-layer filtration, combined with calibrated sand. Filter anthracite is obtained based on a thermally treated lignite (type H) and a natural anthracite (type N), which is crushed and sieved.

 

Standard grain sizes : 
Type NType H
I:0,8-1,6 mm on request
II:1,4-2,5 mm
III:2,0-4,0 mm --
IV:4,0-0,8 mm--