The pleated filter is the backbone of most HVAC systems both new and old.  Acting on its own or as a pre-filter in a multi-stage…

Commercial Filter Sales recently completed an install of Permatron’s ‘Prevent’ system to the exterior of a roof mounted unit in Seattle.  Permatron ‘Prevent’ offers an…

Here is Viledon’s MV95, a MERV16 V-Bank with an initial resistance of only .31 w.g. !  Viledon offers its MV line in a variety of…

CFS just had a booth at the OSHE show in Bend, Oregon