Filterframe DR is a stable insert filter mats with wire support frame (wire √ė 3/5/6 mm CW) The wire frame is stitched with the selected filter mats. Filter media of class G2 to M5 can be processed for this type of filters. If the frame be larger, have to provide the stability, webs are used. A particularly flat and therefore space-saving design distinguishes this filter. The size and geometry of the support frame can be freely selected, each item is designed to customer requirements. On request loops to pull out the filter or additional fastening straps can be attached. There are also round forms possible.