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Nordic Pure 18x30x1 (17 3/4 x 29 3/4 x 3/4) Pure Carbon Pleated Odor Reduction Furnace Air Filters 3 Pack - Amazon.com
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HDX 18 in. x 20 in. x 1 in. Allergen Plus Pleated Air Filter FPR 7, MERV 11 HDX1P7-011820 - The Home Depot
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Pamlico Air 18x30x1 MERV 8 Pleated HVAC AC Furnace 1 Air Filters by Pamlico. Case of 12. Exact Size: 17-3/4 x 29-3/4 x 3/4 White 18 x 30 x 1 21208-011830 0 - Amazon.com
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Made in USA - Pleated Air Filter: 18 x 24 x 1″, MERV 8, 30 to 35% Efficiency, Wire-Backed Pleated - 79748067 - MSC Industrial Supply
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Filtrete 18-in W x 30-in L x 1-in 5 MERV Basic Pleated Air Filter (3-Pack) in the Air Filters department at Lowes.com
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HDX 18 in. x 30 in. x 1 in. Allergen Plus Pleated Air Filter FPR 7, MERV 11 HDX1P7-011830 - The Home Depot
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