Showing results 1 - 7 of 7
Image
A Corsi-Rosenthal Box is a highly effective DIY air cleaner made of easy to obtain materials such as HVAC filters, a box fan, cardboard, and tape
Image
Replace HVAC air filters regularly to protect the equipment and maintain system efficiency
Image
The airflow direction is labeled on the edge of the filter to ensure it is properly oriented when installed.
Image
The edge of this 1-inch HVAC filter indicates it's dimensions, allowing proper matching of filter to air handler
Image
The MERV rating, particle capture efficiencies, and pressure drops are printed on the side of this 1-inch pleated filter
Image
Wrong - Air filter was compressed and may not function effectively to filter return air.
Image
