Honeywell Home 16 x 20 x 4 Pleated Furnace Air Filter FPR 10, MERV 12 CF200D1620 - The Home Depot
Aerostar 16x20x4 (Two Pack) MERV 13, Air Filter, 16 x 20 x 4, Box of 2 - Walmart.com
16" x 20" x 4" Mini-Pleat Air Filter, No Header, MERV 11
Emerson Air Filter Compartment with media Filter = 16 X 20 X 4" MERV 8 1000 CFM | eBay
Koch 102-700-025 16x20x4 MERV 8 Multi-Pleat XL8 Air Filter
16x20x4 Tier1 Air Filter Replacement MERV 13 - (6-Pack)
TopTech TT-FM-1620 Filter 16x20x4 for TT-MAC-1722 - $36.99
4" Merv 8 Furnace Filter (6 Pack) - 16 x 20 x 4 - Amazon.com
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
16" x 20" x 4" filter - MERV 8 - FST Filtration
BestAir 16 x 20 x 4 Honeywell FPR 4 Air Cleaner Filter HW1620-8R - The Home Depot
Fan Coil Filter Base 16" x 20" x 4" (for 1" or 2" Filters)
Return Air Filter Rack for filter 20 x 16 x 4" ,dual flange.HVAC. 16" Side in | eBay
Honeywell FC200E1003 MERV 13 Replacement Filter (16 x 20 x 4")
Buy 16x20x5 (16 x 20 x 4 1/4) Aftermarket Lennox® X0582 Replacement Filters | AirFilters.com
Aerostar 16x20x4 (Two Pack) MERV 11, Pleated Air Filter, 16 x 20 x 4, Box of 2, Made in the USA - Walmart.com
HDX 16 in. x 20 in. x 4 in. Honeywell Replacement Pleated Air Filter FPR 9, MERV 13 HDX-HW1620-13-3 - The Home Depot
Koch Air Filter 16 x 20 x 4 MERV 11 Pleated Air Filter 6 Pack - Hepa Filter Sales - HepaFilterSales.com -- We Deliver Breathing Easier
Honeywell FR8000A1620 (5 Pack) MERV 15 Replacement Filter (16 x 20 x 4")
Silver 94% 4" Electrostatic Washable HVAC Furnace Filter 16" x 20" x 4"
16" x 20" x 4" Odor Control Filter for Pollution Control Unit - 34-A0015404
Honeywell 16 x 20 x 4 Media Air Filter (MERV 11) - HVAC Surplus
Filtrete 16-in W x 20-in L x 4-in MERV 11 1000 MPR Allergen Defense Electrostatic Pleated Air Filter (2-Pack) in the Air Filters department at Lowes.com
