Aluminum Fan Filter Unit (60mm/AFM-60M) is a precision-engineered metal mesh filter designed to protect 60 mm cooling fans and electronic cabinets from dust while enhancing airflow and offering EMI/RFI protection. Made of aluminum with a tightly woven stainless-steel screen, it measures 60 mm across and 4.3 mm thick, combining structural strength with superior filtering efficiency. ... https://gardteconline.com/products/aluminum-fan-filter-unit-60mm-afm-60m