This factory original Ultravation 91-026 filter delivers MERV 13 efficiency in a five-inch progressive media design. With actual dimensions of 19 3/4″ x 24 1/4″ x 4 3/4″, it fits standard 20x25x5 applications. Expect approximately six months of service under typical conditions, though dusty environments may require more frequent changes. Progressive media construction maximizes dust-holding capacity while maintaining consistent airflow, making it an excellent choice for residential and light commercial HVAC systems seeking reliable particulate capture.
Case of three Ultravation Model 91-026 Progressive Media Filters.
