16x20x4 Tier1 Air Filter Replacement MERV 13 - (6-Pack)
Emerson Air Filter Compartment with media Filter = 16 X 20 X 4" MERV 8 1000 CFM | eBay
Fan Coil Filter Base 16" x 20" x 4" (for 1" or 2" Filters)
Atomic Replacement for Carrier 16 x 20 x 4 1/4 Merv 11 FILCCFNC0017 Ai - Atomic Filters
Filtrete 16 In. x 25 In. x 4 In. 1550 MPR (Slim Fit) Allergen, Bacteria & Virus Deep Pleat Furnace Filter, MERV 12 - Power Townsend Company
Filtrete 16-in W x 20-in L x 4-in MERV 12 1550 MPR Allergen, Bacteria and Virus Electrostatic Pleated Air Filter in the Air Filters department at Lowes.com
4" Merv 8 Furnace Filter (6 Pack) - 16 x 20 x 4 - Amazon.com
BestAir 16 x 20 x 4 Honeywell FPR 4 Air Cleaner Filter HW1620-8R - The Home Depot
Honeywell FC200E1003 MERV 13 Replacement Filter (16 x 20 x 4")
Return Air Filter Rack for filter 20 x 16 x 4" ,dual flange.HVAC. 16" Side in | eBay
Honeywell Home 16 x 20 x 4 Pleated Furnace Air Filter FPR 10, MERV 12 CF200D1620 - The Home Depot
Glasfloss 16 x 20 x 4 MERV 10 Furnace Filter (6 Pack) - Replacement Furnace Filters - Amazon.com
BestAir 16 x 20 x 4 Honeywell FPR 4 Air Cleaner Filter HW1620-8R - The Home Depot
TopTech TT-FM-1620 Filter 16x20x4 for TT-MAC-1722 - $36.99
Koch 102-700-025 16x20x4 MERV 8 Multi-Pleat XL8 Air Filter
Glasfloss 16 x 20 x 4 MERV 10 Furnace Filter (6 Pack) - Replacement Furnace Filters - Amazon.com
Aerostar 16x20x4 (Two Pack) MERV 11, Pleated Air Filter, 16 x 20 x 4, Box of 2, Made in the USA - Walmart.com
Filti 7500 Pleated Home Hvac Furnace 16 X 20 X 2 Merv 13 Air Filter With Reduced Carbon Footprint And Nanofiber Technology (2 Pack) : Target
Return Air Filter Rack for filter 20 x 16 x 4" ,duct work,hvac. | eBay
Glasfloss 16 x 20 x 4 MERV 10 Furnace Filter (6 Pack) - Replacement Furnace Filters - Amazon.com
PRO-SOURCE - Pleated Air Filter: 16 x 20 x 4″, MERV 10, 55% Efficiency, Wire-Backed Pleated - 00626465 - MSC Industrial Supply
Honeywell FR8000A1620 (5 Pack) MERV 15 Replacement Filter (16 x 20 x 4")
16" x 20" x 4" Mini-Pleat Air Filter, No Header, MERV 11
