21 In. W X 21 In. H X 1 In. D Fiberglass 4 Merv Air Filter 1 Pk

Introducing the Pamlico Air 21 in. W X 21 in. H X 1 in. D Fiberglass 4 MERV Air Filter, now available at Liberty Lumber & Metal Supply in Sullivan, IL. This essential air filter is designed to provide basic filtration for your heating and cooling systems, ensuring that your indoor air quality remains at a satisfactory level. With its MERV 4 rating, this filter is a practical choice for homeowners looking to maintain a comfortable environment without the need for high-efficiency filtration.

• Dimensions: Measuring 21 inches in width and height, with a depth of 1 inch, this air filter fits standard HVAC systems, making it a versatile choice for various applications.


• Material Composition: Constructed from durable fiberglass, the filter is designed to capture larger particles, providing a basic level of air purification.


• Trimmable Design: The filter can be easily trimmed to fit specific dimensions, ensuring a snug fit in your air handling units.


• Filter Class: Rated as Class I, this filter is suitable for general use in residential settings.


• Non-Pleated Structure: The filter features a flat design, which simplifies installation and maintenance.


• Frame Material: Made with beverage board, the frame is lightweight yet sturdy, ensuring the filter maintains its shape during operation.

Imagine breathing easier in your home as this air filter works to capture dust and lint, contributing to a cleaner living space. While it does not filter out bacteria, pollen, smoke, or viruses, it is an excellent choice for those who need a basic filter for their HVAC systems. Whether you're a homeowner in Sullivan looking to replace your air filter or a contractor seeking reliable options for your clients, the Pamlico Air filter is a dependable choice.



In conclusion, the Pamlico Air 21 in. W X 21 in. H X 1 in. D Fiberglass 4 MERV Air Filter is an essential component for maintaining your HVAC system's efficiency and ensuring a comfortable indoor environment. Don't compromise on air quality—get your Pamlico Air filter today at Liberty Lumber & Metal Supply in Sullivan, IL, and enjoy the benefits of cleaner air in your home.