EZ Kleen Trim-to-Size, Cut-To-Size Mesh Filter is constructed of slit and expanded aluminum media. The layers are bonded providing a self-supportive pad. There is no frame needed, but can be used with EZ Kleen Aluminum Frame Stock. Simply cut the filter to the desired dimensions. Provides good arrestance of airborn dust at velocity rated between 150-650 fpm. Compatible with all major OEM air handler systems. Meets UL Class 900 requirements. Choose your filter size from the drop-down menu above.