Filter King 4x41.5x1a A/C Furnace Filter 4-PACK MERV 8 Actual Size: 4 x 41.5 x .75" | 4 H x 41.5 W x 1 D in | Wayfair FK4x41.5x1A-M8-4

Filter King 4x8.5x1a A/C Furnace Filter 4-PACK MERV 8 Actual Size: 4 x 8.5 x .75" | 4 H x 8.5 W x 1 D in | Wayfair FK4x8.5x1A-M8-4

Features:FILTER: This is a MERV 8 rated 4 pack Air Conditioner Filter | Size: 4.5" x 10.5" x 1a" - Actual Size: 4.5" x 10.5" x .75"MADE IN USA: Fully manufactured in the United States. Made from the highest quality materials and construction. (EPA... ... more

Filter King 4x8x1a A/C Furnace Filter 4-PACK MERV 8 Actual Size: 4 x 8 x .75" | 4 H x 8 W x 1 D in | Wayfair FK4x8x1A-M8-4

Features:FILTER: This is a MERV 8 rated 4 pack Air Conditioner Filter | Size: 4.5" x 10.5" x 1a" - Actual Size: 4.5" x 10.5" x .75"MADE IN USA: Fully manufactured in the United States. Made from the highest quality materials and construction. (EPA... ... more

Filter King 4.5x4.5x1a A/C Furnace Filter 4-PACK MERV 8 Actual Size: 4.5 x 4.5 x .75" | 4.5 H x 4.5 W x 1 D in | Wayfair FK4.5x4.5x1A-M8-4

Features:FILTER: This is a MERV 8 rated 4 pack Air Conditioner Filter | Size: 4.5" x 10.5" x 1a" - Actual Size: 4.5" x 10.5" x .75"MADE IN USA: Fully manufactured in the United States. Made from the highest quality materials and construction. (EPA... ... more

Filter King 4.5x4x1a A/C Furnace Filter 4-PACK MERV 8 Actual Size: 4.5 x 4 x .75" | 4.5 H x 4 W x 1 D in | Wayfair FK4.5x4x1A-M8-4

Features:FILTER: This is a MERV 8 rated 4 pack Air Conditioner Filter | Size: 4.5" x 10.5" x 1a" - Actual Size: 4.5" x 10.5" x .75"MADE IN USA: Fully manufactured in the United States. Made from the highest quality materials and construction. (EPA... ... more

Filter King 4x4.5x1a A/C Furnace Filter 4-PACK MERV 8 Actual Size: 4 x 4.5 x .75" | 4 H x 4.5 W x 1 D in | Wayfair FK4x4.5x1A-M8-4

Features:FILTER: This is a MERV 8 rated 4 pack Air Conditioner Filter | Size: 4.5" x 10.5" x 1a" - Actual Size: 4.5" x 10.5" x .75"MADE IN USA: Fully manufactured in the United States. Made from the highest quality materials and construction. (EPA... ... more

Filter King 4.5x11x1a A/C Furnace Filter 4-PACK MERV 8 Actual Size: 4.5 x 11 x .75" | 4.5 H x 11 W x 1 D in | Wayfair FK4.5x11x1A-M8-4

Features:FILTER: This is a MERV 8 rated 4 pack Air Conditioner Filter | Size: 4.5" x 10.5" x 1a" - Actual Size: 4.5" x 10.5" x .75"MADE IN USA: Fully manufactured in the United States. Made from the highest quality materials and construction. (EPA... ... more

Filter King 4.5x49.5x1a A/C Furnace Filter 4-PACK MERV 8 Actual Size: 4.5 x 49.5 x .75" | 4.5 H x 49.5 W x 1 D in | Wayfair FK4.5x49.5x1A-M8-4

Features:FILTER: This is a MERV 8 rated 4 pack Air Conditioner Filter | Size: 4.5" x 10.5" x 1a" - Actual Size: 4.5" x 10.5" x .75"MADE IN USA: Fully manufactured in the United States. Made from the highest quality materials and construction. (EPA... ... more

Filter King 4.5x9x1a A/C Furnace Filter 4-PACK MERV 8 Actual Size: 4.5 x 9 x .75" | 4.5 H x 9 W x 1 D in | Wayfair FK4.5x9x1A-M8-4

Features:FILTER: This is a MERV 8 rated 4 pack Air Conditioner Filter | Size: 4.5" x 10.5" x 1a" - Actual Size: 4.5" x 10.5" x .75"MADE IN USA: Fully manufactured in the United States. Made from the highest quality materials and construction. (EPA... ... more

Filter King 4.5x19.5x1a A/C Furnace Filter 4-PACK MERV 8 Actual Size: 4.5 x 19.5 x .75" | 4.5 H x 19.5 W x 1 D in | Wayfair FK4.5x19.5x1A-M8-4

Features:FILTER: This is a MERV 8 rated 4 pack Air Conditioner Filter | Size: 4.5" x 10.5" x 1a" - Actual Size: 4.5" x 10.5" x .75"MADE IN USA: Fully manufactured in the United States. Made from the highest quality materials and construction. (EPA... ... more

Filter King 4.5x33x1a A/C Furnace Filter 4-PACK MERV 8 Actual Size: 4.5 x 33 x .75" | 4.5 H x 33 W x 1 D in | Wayfair FK4.5x33x1A-M8-4

Features:FILTER: This is a MERV 8 rated 4 pack Air Conditioner Filter | Size: 4.5" x 10.5" x 1a" - Actual Size: 4.5" x 10.5" x .75"MADE IN USA: Fully manufactured in the United States. Made from the highest quality materials and construction. (EPA... ... more

Filter King 4.5x39.5x1a A/C Furnace Filter 4-PACK MERV 8 Actual Size: 4.5 x 39.5 x .75" | 4.5 H x 39.5 W x 1 D in | Wayfair FK4.5x39.5x1A-M8-4

Features:FILTER: This is a MERV 8 rated 4 pack Air Conditioner Filter | Size: 4.5" x 10.5" x 1a" - Actual Size: 4.5" x 10.5" x .75"MADE IN USA: Fully manufactured in the United States. Made from the highest quality materials and construction. (EPA... ... more

Filter King 4.5x60.5x1a A/C Furnace Filter 4-PACK MERV 8 Actual Size: 4.5 x 60.5 x .75" | 4.5 H x 60.5 W x 1 D in | Wayfair FK4.5x60.5x1A-M8-4

Features:FILTER: This is a MERV 8 rated 4 pack Air Conditioner Filter | Size: 4.5" x 10.5" x 1a" - Actual Size: 4.5" x 10.5" x .75"MADE IN USA: Fully manufactured in the United States. Made from the highest quality materials and construction. (EPA... ... more

Filter King 4.5x14x1a A/C Furnace Filter 4-PACK MERV 8 Actual Size: 4.5 x 14 x .75" | 4.5 H x 14 W x 1 D in | Wayfair FK4.5x14x1A-M8-4

Features:FILTER: This is a MERV 8 rated 4 pack Air Conditioner Filter | Size: 4.5" x 10.5" x 1a" - Actual Size: 4.5" x 10.5" x .75"MADE IN USA: Fully manufactured in the United States. Made from the highest quality materials and construction. (EPA... ... more

Filter King 4.5x27x1a A/C Furnace Filter 4-PACK MERV 8 Actual Size: 4.5 x 27 x .75" | 4.5 H x 27 W x 1 D in | Wayfair FK4.5x27x1A-M8-4

Features:FILTER: This is a MERV 8 rated 4 pack Air Conditioner Filter | Size: 4.5" x 10.5" x 1a" - Actual Size: 4.5" x 10.5" x .75"MADE IN USA: Fully manufactured in the United States. Made from the highest quality materials and construction. (EPA... ... more

Filter King 4.5x36x1a A/C Furnace Filter 4-PACK MERV 8 Actual Size: 4.5 x 36 x .75" | 4.5 H x 36 W x 1 D in | Wayfair FK4.5x36x1A-M8-4

Features:FILTER: This is a MERV 8 rated 4 pack Air Conditioner Filter | Size: 4.5" x 10.5" x 1a" - Actual Size: 4.5" x 10.5" x .75"MADE IN USA: Fully manufactured in the United States. Made from the highest quality materials and construction. (EPA... ... more

Filter King 4.5x50.5x1a A/C Furnace Filter 4-PACK MERV 8 Actual Size: 4.5 x 50.5 x .75" | 4.5 H x 50.5 W x 1 D in | Wayfair FK4.5x50.5x1A-M8-4

Features:FILTER: This is a MERV 8 rated 4 pack Air Conditioner Filter | Size: 4.5" x 10.5" x 1a" - Actual Size: 4.5" x 10.5" x .75"MADE IN USA: Fully manufactured in the United States. Made from the highest quality materials and construction. (EPA... ... more

Filter King 4.5x51x1a A/C Furnace Filter 4-PACK MERV 8 Actual Size: 4.5 x 51 x .75" | 4.5 H x 51 W x 1 D in | Wayfair FK4.5x51x1A-M8-4

Features:FILTER: This is a MERV 8 rated 4 pack Air Conditioner Filter | Size: 4.5" x 10.5" x 1a" - Actual Size: 4.5" x 10.5" x .75"MADE IN USA: Fully manufactured in the United States. Made from the highest quality materials and construction. (EPA... ... more

Filter King 4.5x18.5x1a A/C Furnace Filter 4-PACK MERV 8 Actual Size: 4.5 x 18.5 x .75" | 4.5 H x 18.5 W x 1 D in | Wayfair FK4.5x18.5x1A-M8-4

Features:FILTER: This is a MERV 8 rated 4 pack Air Conditioner Filter | Size: 4.5" x 10.5" x 1a" - Actual Size: 4.5" x 10.5" x .75"MADE IN USA: Fully manufactured in the United States. Made from the highest quality materials and construction. (EPA... ... more

Filter King 4.5x33.5x1a A/C Furnace Filter 4-PACK MERV 8 Actual Size: 4.5 x 33.5 x .75" | 4.5 H x 33.5 W x 1 D in | Wayfair FK4.5x33.5x1A-M8-4

Features:FILTER: This is a MERV 8 rated 4 pack Air Conditioner Filter | Size: 4.5" x 10.5" x 1a" - Actual Size: 4.5" x 10.5" x .75"MADE IN USA: Fully manufactured in the United States. Made from the highest quality materials and construction. (EPA... ... more

Filter King 4.5x40x1a A/C Furnace Filter 4-PACK MERV 8 Actual Size: 4.5 x 40 x .75" | 4.5 H x 40 W x 1 D in | Wayfair FK4.5x40x1A-M8-4

Features:FILTER: This is a MERV 8 rated 4 pack Air Conditioner Filter | Size: 4.5" x 10.5" x 1a" - Actual Size: 4.5" x 10.5" x .75"MADE IN USA: Fully manufactured in the United States. Made from the highest quality materials and construction. (EPA... ... more

Filter King 4.5x45.5x1a A/C Furnace Filter 4-PACK MERV 8 Actual Size: 4.5 x 45.5 x .75" | 4.5 H x 45.5 W x 1 D in | Wayfair FK4.5x45.5x1A-M8-4

Features:FILTER: This is a MERV 8 rated 4 pack Air Conditioner Filter | Size: 4.5" x 10.5" x 1a" - Actual Size: 4.5" x 10.5" x .75"MADE IN USA: Fully manufactured in the United States. Made from the highest quality materials and construction. (EPA... ... more

Filter King 4.5x55.5x1a A/C Furnace Filter 4-PACK MERV 8 Actual Size: 4.5 x 55.5 x .75" | 4.5 H x 55.5 W x 1 D in | Wayfair FK4.5x55.5x1A-M8-4

Features:FILTER: This is a MERV 8 rated 4 pack Air Conditioner Filter | Size: 4.5" x 10.5" x 1a" - Actual Size: 4.5" x 10.5" x .75"MADE IN USA: Fully manufactured in the United States. Made from the highest quality materials and construction. (EPA... ... more

Filter King 4.5x61x1a A/C Furnace Filter 4-PACK MERV 8 Actual Size: 4.5 x 61 x .75" | 4.5 H x 61 W x 1 D in | Wayfair FK4.5x61x1A-M8-4

Features:FILTER: This is a MERV 8 rated 4 pack Air Conditioner Filter | Size: 4.5" x 10.5" x 1a" - Actual Size: 4.5" x 10.5" x .75"MADE IN USA: Fully manufactured in the United States. Made from the highest quality materials and construction. (EPA... ... more

Filter King 4.5x63x1a A/C Furnace Filter 4-PACK MERV 8 Actual Size: 4.5 x 63 x .75" | 4.5 H x 63 W x 1 D in | Wayfair FK4.5x63x1A-M8-4

Features:FILTER: This is a MERV 8 rated 4 pack Air Conditioner Filter | Size: 4.5" x 10.5" x 1a" - Actual Size: 4.5" x 10.5" x .75"MADE IN USA: Fully manufactured in the United States. Made from the highest quality materials and construction. (EPA... ... more

Filter King 4.5x63.5x1a A/C Furnace Filter 4-PACK MERV 8 Actual Size: 4.5 x 63.5 x .75" | 4.5 H x 63.5 W x 1 D in | Wayfair FK4.5x63.5x1A-M8-4

Features:FILTER: This is a MERV 8 rated 4 pack Air Conditioner Filter | Size: 4.5" x 10.5" x 1a" - Actual Size: 4.5" x 10.5" x .75"MADE IN USA: Fully manufactured in the United States. Made from the highest quality materials and construction. (EPA... ... more

Filter King 4.5x24x1a A/C Furnace Filter 4-PACK MERV 8 Actual Size: 4.5 x 24 x .75" | 4.5 H x 24 W x 1 D in | Wayfair FK4.5x24x1A-M8-4

Features:FILTER: This is a MERV 8 rated 4 pack Air Conditioner Filter | Size: 4.5" x 10.5" x 1a" - Actual Size: 4.5" x 10.5" x .75"MADE IN USA: Fully manufactured in the United States. Made from the highest quality materials and construction. (EPA... ... more

Filter King 4.5x36.5x1a A/C Furnace Filter 4-PACK MERV 8 Actual Size: 4.5 x 36.5 x .75" | 4.5 H x 36.5 W x 1 D in | Wayfair FK4.5x36.5x1A-M8-4

Features:FILTER: This is a MERV 8 rated 4 pack Air Conditioner Filter | Size: 4.5" x 10.5" x 1a" - Actual Size: 4.5" x 10.5" x .75"MADE IN USA: Fully manufactured in the United States. Made from the highest quality materials and construction. (EPA... ... more

Filter King 4.5x59x1a A/C Furnace Filter 4-PACK MERV 8 Actual Size: 4.5 x 59 x .75" | 4.5 H x 59 W x 1 D in | Wayfair FK4.5x59x1A-M8-4

Features:FILTER: This is a MERV 8 rated 4 pack Air Conditioner Filter | Size: 4.5" x 10.5" x 1a" - Actual Size: 4.5" x 10.5" x .75"MADE IN USA: Fully manufactured in the United States. Made from the highest quality materials and construction. (EPA... ... more

Filter King 4.5x12.5x1a A/C Furnace Filter 4-PACK MERV 8 Actual Size: 4.5 x 12.5 x .75" | 4.5 H x 12.5 W x 1 D in | Wayfair FK4.5x12.5x1A-M8-4

Features:FILTER: This is a MERV 8 rated 4 pack Air Conditioner Filter | Size: 4.5" x 10.5" x 1a" - Actual Size: 4.5" x 10.5" x .75"MADE IN USA: Fully manufactured in the United States. Made from the highest quality materials and construction. (EPA... ... more

Filter King 4.5x20.5x1a A/C Furnace Filter 4-PACK MERV 8 Actual Size: 4.5 x 20.5 x .75" | 4.5 H x 20.5 W x 1 D in | Wayfair FK4.5x20.5x1A-M8-4

Features:FILTER: This is a MERV 8 rated 4 pack Air Conditioner Filter | Size: 4.5" x 10.5" x 1a" - Actual Size: 4.5" x 10.5" x .75"MADE IN USA: Fully manufactured in the United States. Made from the highest quality materials and construction. (EPA... ... more

Filter King 4.5x5x1a A/C Furnace Filter 4-PACK MERV 8 Actual Size: 4.5 x 5 x .75" | 4.5 H x 5 W x 1 D in | Wayfair FK4.5x5x1A-M8-4

Features:FILTER: This is a MERV 8 rated 4 pack Air Conditioner Filter | Size: 4.5" x 10.5" x 1a" - Actual Size: 4.5" x 10.5" x .75"MADE IN USA: Fully manufactured in the United States. Made from the highest quality materials and construction. (EPA... ... more

Filter King 4.5x23x1a A/C Furnace Filter 4-PACK MERV 8 Actual Size: 4.5 x 23 x .75" | 4.5 H x 23 W x 1 D in | Wayfair FK4.5x23x1A-M8-4

Features:FILTER: This is a MERV 8 rated 4 pack Air Conditioner Filter | Size: 4.5" x 10.5" x 1a" - Actual Size: 4.5" x 10.5" x .75"MADE IN USA: Fully manufactured in the United States. Made from the highest quality materials and construction. (EPA... ... more

Filter King 4.5x55x1a A/C Furnace Filter 4-PACK MERV 8 Actual Size: 4.5 x 55 x .75" | 4.5 H x 55 W x 1 D in | Wayfair FK4.5x55x1A-M8-4

Features:FILTER: This is a MERV 8 rated 4 pack Air Conditioner Filter | Size: 4.5" x 10.5" x 1a" - Actual Size: 4.5" x 10.5" x .75"MADE IN USA: Fully manufactured in the United States. Made from the highest quality materials and construction. (EPA... ... more

Filter King 4.5x59.5x1a A/C Furnace Filter 4-PACK MERV 8 Actual Size: 4.5 x 59.5 x .75" | 4.5 H x 59.5 W x 1 D in | Wayfair FK4.5x59.5x1A-M8-4

Features:FILTER: This is a MERV 8 rated 4 pack Air Conditioner Filter | Size: 4.5" x 10.5" x 1a" - Actual Size: 4.5" x 10.5" x .75"MADE IN USA: Fully manufactured in the United States. Made from the highest quality materials and construction. (EPA... ... more

Filter King 4.5x6x1a A/C Furnace Filter 4-PACK MERV 8 Actual Size: 4.5 x 6 x .75" | 4.5 H x 6 W x 1 D in | Wayfair FK4.5x6x1A-M8-4

Features:FILTER: This is a MERV 8 rated 4 pack Air Conditioner Filter | Size: 4.5" x 10.5" x 1a" - Actual Size: 4.5" x 10.5" x .75"MADE IN USA: Fully manufactured in the United States. Made from the highest quality materials and construction. (EPA... ... more

Filter King 4.5x6.5x1a A/C Furnace Filter 4-PACK MERV 8 Actual Size: 4.5 x 6.5 x .75" | 4.5 H x 6.5 W x 1 D in | Wayfair FK4.5x6.5x1A-M8-4

Features:FILTER: This is a MERV 8 rated 4 pack Air Conditioner Filter | Size: 4.5" x 10.5" x 1a" - Actual Size: 4.5" x 10.5" x .75"MADE IN USA: Fully manufactured in the United States. Made from the highest quality materials and construction. (EPA... ... more

Filter King 4.5x12x1a A/C Furnace Filter 4-PACK MERV 8 Actual Size: 4.5 x 12 x .75" | 4.5 H x 12 W x 1 D in | Wayfair FK4.5x12x1A-M8-4

Features:FILTER: This is a MERV 8 rated 4 pack Air Conditioner Filter | Size: 4.5" x 10.5" x 1a" - Actual Size: 4.5" x 10.5" x .75"MADE IN USA: Fully manufactured in the United States. Made from the highest quality materials and construction. (EPA... ... more