Honeywell 20 x 36 x 1 Allergen Plus Pleated MERV 11 - FPR 7 Air Filter 90701.012036 - The Home Depot
4 Pack) - 18 In. X 30 In. X 1 In. Allergen plus Pleated Air Filter FPR 7 | eBay
Amazon.com: BestAir HW1625-11R AC Furnace Air Filter, 16" x 25" x 4", MERV 11, Removes Allergens & Contaminants, Fits 100%, For Honeywell Models, Pack of 3 : Tools & Home Improvement