The provided literature explains the process of how photo-catalytic oxidation works and why PCO units can be so beneficial. The HVAC Probe was developed to integrate with your existing Heating & Air Conditioning system and helps keep duct system free from contaminants. It is available in three different sizes and covers/cleans larger areas with proactive technology (reducing cost per cubic foot). Your sales representative can work with you to help design a complete coverage system for any facility. All that is required is a PDF file copy of your HVAC drawings so our technical consultants can review your HVAC plans and suggest the optimal placement of probes.