Filtrete™ High Performance Deep Pleat Filter 1550 MPR NDP02-4IN-4, 20 in x 20 in x 4 in (50.8 cm x 50.8 cm x 10.1 cm)

The Filtrete™ Ultra Allergen Reduction Deep Pleat filter attracts and captures microscopic particles like bacteria, particles that can carry viruses, and large particles like mold spores and pollen. Actual filter depth is 4 3/8".