Filter foam mat black in the dimensions: 100 x 100 cm, mat thickness: 10 cm. The mat can be used for self cut or for the self contruction of a filter (e.g. Hamburger Mattenfilter). There are three versions with a various density of the pores. The pores density is indicated in PPI = Pores Per Inch.
The Mat is available in three versions: PPI 30 = fine PPI 20 = medium PPI 10 = rough