20x25x5 MERV 11 Air Bear 259112-102 Compatible 2 Pack by Atomic Filter - Atomic Filters
Filtrete 20-in W x 25-in L x 5-in MERV 12 1550 MPR Allergen, Bacteria and Virus Electrostatic Pleated Air Filter in the Air Filters department at Lowes.com
Flanders 20 In. x 25 In. x 5 In. High Efficiency Deep Pleat AB500 MERV 8 Furnace Filter