Rittal Filter Mats - Package of 5

These Rittal Filter Mats are used in Climate Control Systems specifically for fan-and-filter units. There are 5 replacement mats included. These filter mats are made of chopped-fiber material that has a progressive structure. The dust-laden air side has an open structure while the clean-air side has a closed structure. These filter mats are part of the Rittal series of fan-and filter units and have reliable filtering on all types of dust from partical size 10 microns.