Filtrete 18-in W x 36-in L x 1-in MERV 5 Basic Pleated Air Filter in the Air Filters department at Lowes.com
![20" X 36 Steel Return Air Filter Grille for 1" Filter - Removable Face/Door - HVAC Duct Cover - Flat Stamped Face - White [Outer Dimensions: 22.5 X 37.75] - Amazon.com](https://m.media-amazon.com/images/I/81GMjapEKlL.jpg "20\" X 36 Steel Return Air Filter Grille for 1\" Filter - Removable Face/Door - HVAC Duct Cover - Flat Stamped Face - White [Outer Dimensions: 22.5 X 37.75] - Amazon.com")
20" X 36 Steel Return Air Filter Grille for 1" Filter - Removable Face/Door - HVAC Duct Cover - Flat Stamped Face - White [Outer Dimensions: 22.5 X 37.75] - Amazon.com
HDX 20 in. x 36 in. x 1 in. Superior Pleated Air Filter FPR 9, MERV 12 HDX1P9-012036 - The Home Depot
Filter King Air Filters 17.5x35.5x1 | 6-Pack | MERV 11 HVAC Pleated AC Furnace Filters | Actual Size 18 x 36 x .75" - Amazon.com
Filtrete 20-in W x 36-in L x 1-in MERV 11 1085 MPR Allergen Defense Extra Electrostatic Pleated Air Filter in the Air Filters department at Lowes.com
Filter King Air Filters 18x36x1 4-PACK | MERV 8 HVAC Pleated AC Furnace Filters | Air Purifier | Replacement Filters for Clean, Healthy & Fresh Environment | MADE IN USA - Amazon.com
HDX 18 in. x 36 in. x 1 in. Premium Pleated Air Filter FPR 10, MERV 13 HDX1P10-011836 - The Home Depot
A+2000 Washable Electrostatic Permanent Custom Air Filter - 18" x 36" – Any Kind Of Filter
HDX 20 in. x 24 in. x 1 in. Superior Pleated Air Filter FPR 9, MERV 12 HDX1P9-012024 - The Home Depot
18x36x1 Air Filters Odor Eliminator - Only $38.55/ea.
HDX 18 in. x 36 in. x 1 in. Superior Pleated Air Filter FPR 9, MERV 12 HDX1P9-011836 - The Home Depot
18" X 36" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - HVAC Premium
18x36x1 Tier1 Air Filter Replacement MERV 13 - (6-Pack)
18 x 36 inch HEPA-Grade Media Dust Collector FlameGuard Filter | Oneida Air Systems
36" X 18 Steel Return Air Filter Grille - HVAC Premium
HDX 18 in. x 36 in. x 1 in. Standard Pleated Air Filter FPR 5, MERV 8 HDX1P5-011836 - The Home Depot
Filterbuy 18x36x1 Air Filter MERV 8 Dust Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 17.50 x 35.50 x 0.75 Inches) - Replacement Furnace Filters - Amazon.com
Koch™ Multi-Pleat XL11 Air Filter, MERV 11, 18" x 36" x 1" - Pkg Qty 12
![36" X 18 Steel Return Air Filter Grille for 1" Filter - Removable Face/Door - Flat Stamped Face - White [Outer Dimensions: 38.5 X 19.75] - Amazon.com](https://m.media-amazon.com/images/I/81r0XFq2wwL.jpg "36\" X 18 Steel Return Air Filter Grille for 1\" Filter - Removable Face/Door - Flat Stamped Face - White [Outer Dimensions: 38.5 X 19.75] - Amazon.com")
36" X 18 Steel Return Air Filter Grille for 1" Filter - Removable Face/Door - Flat Stamped Face - White [Outer Dimensions: 38.5 X 19.75] - Amazon.com
HDX 18 in. x 36 in. x 1 in. Standard Pleated Air Filter FPR 5, MERV 8 HDX1P5-011836 - The Home Depot
HDX Dust and Pollen Medium Efficiency 18 X 36 X 1 Standard White Pleated Air Filter FPR 5 - Walmart.com
HDX 18 in. x 36 in. x 1 in. Standard Pleated Air Filter FPR 5, MERV 8 HDX1P5-011836 - The Home Depot
Filtrete 18-in W x 36-in L x 1-in MERV 5 Basic Pleated Air Filter in the Air Filters department at Lowes.com
