https://shop.vietphat.com/products/permanent-m-f-al-289x289x22mm-3l
*Panel Filters: Permanent M.F AL 289x289x22mm (3L)
*Media Type: Aluminum
*Frame Material: Aluminum
*Rated Initial Resistance: 18Pa
*Recommended Final Resistance: 250Pa
*Max Operating Temperature: 300ºC
*Size (WxHxD): 12x12x1'' (289x289x22mm)
*Rated Airflow: 850CMH
