Description Copper Siatka is a unique exclusion material that prevents pesky rodents from do your home or office building. Copper in particular tastes bad to them, so it is an effective block if it is tightly placed. This siatka will help a lot. Microphone frequency band: 100 Hz - 10 kHz -Color: copper. -Material: copper. -Size: 100x10x1cm. - Copper Siatka is a unique exclusion material that prevents pesky rodents from entering do home or office building. - Copper siatka knitting is a woolen copper mesh material that is resistant to rust and stains. Push it into holes around pipes or other holes and cracks in the structure and keep rats, mice, birds and other wild animals. Due to the way siatka is woven, rodents find it very difficult to chew. -Unlike do stainless steel mesh, copper tastes bad to them, so it is an effective block if it is tightly placed. -Easy installation. Use a gasket to help keep the mesh in place, lay out a thin sealing line on both sides of the hole or area you want to cover with the mesh, then press the edge of the mesh do seal, and 'I sealed your opening. 1 roll x siatka copper