Reznor 111848 4" Vent Cap

The Reznor 111848 4” Vent Cap is to close the vent openings and safeguard them in the HVAC systems. This 4-inch vent cap is used to prevent the entry of dust, water, and rodents, among other things, while allowing proper ventilation in HVAC equipment. This cap is suitable for heating systems and provides for better performance and energy consumption. This is used to increase the part lifecycle, decrease maintenance expenses, and increase the longevity of the system because it shields essential parts. It is suitable for residential and commercial use.