Prices, Promotions, styles, and availability may vary. Our local stores do not honor online pricing. Prices and availability of products and services are subject to change without notice. Errors will be corrected where discovered, and Lowe's reserves the right to revoke any stated offer and to correct any errors, inaccuracies or omissions including after an order has been submitted.

20 x 20 x 4 Air Filters & Accessories

8 results

Filtrete 20-in W x 20-in L x 4-in MERV 11 1000 MPR Allergen Defense Electrostatic pleated Air Filter 2 -Pack

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4.6
1222
Air Filter Longevity:3 month

Filtrete 20-in W x 20-in L x 4-in MERV 12 1550 MPR Allergen, Bacteria and Virus Electrostatic pleated Air Filter

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4.5
1460
Air Filter Longevity:12 month

 20-in W x 20-in L x 4-in MERV 8 Pleated Air Filter

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for pricing and availability

3.8
5
Air Filter Longevity:6 month

 20-in W x 20-in L x 4-in MERV 15 Electrostatic pleated Air Filter

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for pricing and availability

Air Filter Longevity:6 month

Filtrete 20-in W x 20-in L x 4-in MERV 11 Pleated Air Filter 3 -Pack

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Air Filter Longevity:3 month

Filtrete 20-in W x 20-in L x 4-in MERV 13 Pleated Air Filter 3 -Pack

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for pricing and availability

1.0
1
Air Filter Longevity:3 month

Filtrete 20-in W x 20-in L x 4-in MERV 8 Pleated Air Filter 3 -Pack

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for pricing and availability

Air Filter Longevity:3 month

Air-Care 20-in W x 20-in L x 4-in Washable MERV 8 Electrostatic Air Filter

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for pricing and availability

3.1
25