The ‘MEDIA VENTILATOR LARGE 45PPI FAN FILTER FOAM 1Each – 34058’ is a vital component for your ventilator system. This product is a large, 45PPI (pores per inch) fan filter foam designed to ensure optimal performance of your ventilator. The high-quality foam is specifically engineered to filter out dust, dirt, and other particles, preventing them from entering and potentially damaging the ventilator. This product is sold individually (1/Each). Please note that regular replacement of the filter foam is recommended to maintain the efficiency and longevity of your ventilator system.