The ‘FILTER VENTILATOR GUARD 45PPI – 34060’ is a vital component designed to ensure the optimal performance of your ventilator. This filter features a 45 PPI (Pores Per Inch) density, which provides an effective barrier against dust, debris, and other airborne particles, preventing them from entering the ventilator system. This helps to maintain the cleanliness of the ventilator, reducing the risk of malfunctions and prolonging its lifespan. The product is sold individually, allowing you to purchase the exact quantity needed. Please note that this filter should be replaced regularly to ensure the best protection for your ventilator.