Filtrete 25-in W x 25-in L x 1-in MERV 13 1900 MPR Premium Allergen, Bacteria and Virus Electrostatic Pleated Air Filter in the Air Filters department at Lowes.com
3M 311-4 Filtrete Basic MPR-300 Merv-5 Dust And Lint Air Filter 14 By 14 By 1 Inch: 14 by 14 Inch Filters (051141322797-1)
Filtrete 12 In. x 24 In. x 1 In. Basic Dust & Lint 300 MPR Furnace Filter - Rasmussen Lumber Company
Filtrete 20-in W x 25-in L x 1-in MERV 11 1085 MPR Allergen Defense Extra Electrostatic Pleated Air Filter (2-Pack) in the Air Filters department at Lowes.com