The Filterbuy 20x20x1 Air Filter MERV 8 Dust Defense (2-Pack), Pleated HVA is a top of the line product that offers protection from dust, pollen, and other airborne particles. This product is perfect for those with allergies or respiratory issues, as it will help to trap and remove 90% of airborne particles. The pleated design of the filter provides more surface area for better particle capture, and the MERV 8 synthetic media is comparable to the MPR 600 and FPR 5. This product is easy to install and will fit most furnace, air conditioner, heat pump, or HVAC systems.