A healthy home starts with cleaner air. This non-electrostatic pleated Filtrete filter by 3M is designed to capture large airborne particles such as lint and household dust from your household to help you breathe easier. With an MPR of 100, these basic air filters outperform fibreglass filters and can last up to 3 months. Two filters per pack; for residential use only. Each filter measures 16 inches x 20 inches.