Keep your furnace and air conditioner running smoothly with this 4 pack of Aerostar 12x24x2 MERV 8 pleated air filters. Made with electrostatic synthetic filter media, these white filters are designed to capture particles and keep your home's indoor air quality high. Each filter has a filter life of 3 months, making it easy to keep on top of your HVAC maintenance. Compatible with both furnaces and air conditioners, these filters are a must-have for any homeowner looking to keep their home comfortable and healthy.