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Aerostar 21 1/2x21 1/2x1 MERV 8 Pleated Air Filter 21 1/2 x 21 1/2 x 1 Box of 6 Made in the USA

Size: 21 1/2 x 21 1/2 x 1 Model Number: 21 1/2x21 1/2x1 Designed for Superior Filtration Efficiency Made with electrostatically charged synthetic material that draws and captures allergens including lint dust mites mold spores pollen pet dander and... more

Aerostar 17 1/2x23 1/2x1 MERV 11 Pleated Air Filter 17 1/2 x 23 1/2 x 1 Box of 6 Made in the USA

Size: 17 1/2 x 23 1/2 x 1 Model Number: 17 1/2x23 1/2x1 Designed for Superior Filtration Efficiency Made with electrostatically charged synthetic material that draws and captures allergens including lint dust mites mold spores pollen pet dander and... more

Aerostar 23 1/2x23 1/2x1 MERV 13 Pleated Air Filter 23 1/2 x 23 1/2 x 1 Box of 6 Made in the USA

Size: 23 1/2 x 23 1/2 x 1 Model Number: 23 1/2x23 1/2x1 Designed for Superior Filtration Efficiency Made with electrostatically charged synthetic material that draws and captures allergens including lint dust mites mold spores pollen pet dander and... more

Aerostar 21 1/2x21 1/2x1 MERV 13 Pleated Air Filter 21 1/2 x 21 1/2 x 1 Box of 6 Made in the USA

Size: 21 1/2 x 21 1/2 x 1 Model Number: 21 1/2x21 1/2x1 Designed for Superior Filtration Efficiency Made with electrostatically charged synthetic material that draws and captures allergens including lint dust mites mold spores pollen pet dander and... more

Aerostar 21 1/2x21 1/2x1 MERV 11 Pleated Air Filter 21 1/2 x 21 1/2 x 1 Box of 6 Made in the USA

Size: 21 1/2 x 21 1/2 x 1 Model Number: 21 1/2x21 1/2x1 Designed for Superior Filtration Efficiency Made with electrostatically charged synthetic material that draws and captures allergens including lint dust mites mold spores pollen pet dander and... more

Aerostar 23 1/2x23 1/2x1 MERV 11 Pleated Air Filter 23 1/2 x 23 1/2 x 1 Box of 6 Made in the USA

Size: 23 1/2 x 23 1/2 x 1 Model Number: 23 1/2x23 1/2x1 Designed for Superior Filtration Efficiency Made with electrostatically charged synthetic material that draws and captures allergens including lint dust mites mold spores pollen pet dander and... more

Aerostar 23 1/2x23 1/2x1 MERV 8 Pleated Air Filter 23 1/2 x 23 1/2 x 1 Box of 6 Made in the USA

Size: 23 1/2 x 23 1/2 x 1 Model Number: 23 1/2x23 1/2x1 Designed for Superior Filtration Efficiency Made with electrostatically charged synthetic material that draws and captures allergens including lint dust mites mold spores pollen pet dander and... more

Aerostar 12x20x4 MERV 13 Pleated Air Filter 12 x 20 x 4 Box of 6 Made in the USA

Size: 12 x 20 x 4 Model Number: 12x20x4 Designed for Superior Filtration Efficiency Made with electrostatically charged synthetic material that draws and captures allergens including lint dust mites mold spores pollen pet dander and dust. Improve... more

16 3/8x21 1/2x1 Actual Size: 16 3/8 x21 1/2 x3/4 Carrier Replacement Filter by Aerostar - MERV 13 Box of 6

Size: 16 3/8 x 21 1/2 x 1 Model Number: 16 3/8x21 1/2x1 Designed for Superior Filtration Efficiency Made with electrostatically charged synthetic material that draws and captures allergens including lint dust mites mold spores pollen pet dander and... more

Aerostar 12x24x4 MERV 13 Pleated Air Filter 12 x 24 x 4 Box of 6 Made in the USA

Size: 12 x 24 x 4 Model Number: 12x24x4 Designed for Superior Filtration Efficiency Made with electrostatically charged synthetic material that draws and captures allergens including lint dust mites mold spores pollen pet dander and dust. Improve... more

Aerostar 12x16x4 MERV 11 Pleated Air Filter 12 x 16 x 4 Box of 6 Made in the USA

Size: 12 x 16 x 4 Model Number: 12x16x4 Designed for Superior Filtration Efficiency Made with electrostatically charged synthetic material that draws and captures allergens including lint dust mites mold spores pollen pet dander and dust. Improve... more

21 1/2 x 23 5/16 x 1 Carrier Replacement Filter by Aerostar - MERV 11 Box of 6

Size: 21 1/2 x 23 5/16 x 1 Model Number: 21 1/2x23 5/16x1 Designed for Superior Filtration Efficiency Made with electrostatically charged synthetic material that draws and captures allergens including lint dust mites mold spores pollen pet dander and... more

Aerostar 21 1/2x23 3/8x1 MERV 11 Pleated Air Filter 21 1/2 x 23 3/8 x 1 Box of 6 Made in the USA

Size: 21 1/2 x 23 3/8 x 1 Model Number: 21 1/2x23 3/8x1 Designed for Superior Filtration Efficiency Made with electrostatically charged synthetic material that draws and captures allergens including lint dust mites mold spores pollen pet dander and... more

19 7/8 x 21 1/2 x 1 Carrier Replacement Filter by Aerostar - MERV 8 Box of 6

Size: 19 7/8 x 21 1/2 x 1 Model Number: 19 7/8x21 1/2x1 Designed for Superior Filtration Efficiency Made with electrostatically charged synthetic material that draws and captures allergens including lint dust mites mold spores pollen pet dander and... more

Aerostar 12x24x4 MERV 8 Pleated Air Filter 12 x 24 x 4 Box of 6 Made in the USA

Size: 12 x 24 x 4 Model Number: 12x24x4 Designed for Superior Filtration Efficiency Made with electrostatically charged synthetic material that draws and captures allergens including lint dust mites mold spores pollen pet dander and dust. Improve... more

Aerostar 12x20x4 MERV 11 Pleated Air Filter 12 x 20 x 4 Box of 6 Made in the USA

Size: 12 x 20 x 4 Model Number: 12x20x4 Designed for Superior Filtration Efficiency Made with electrostatically charged synthetic material that draws and captures allergens including lint dust mites mold spores pollen pet dander and dust. Improve... more

Aerostar 12x16x4 MERV 8 Pleated Air Filter 12 x 16 x 4 Box of 6 Made in the USA

Size: 12 x 16 x 4 Model Number: 12x16x4 Designed for Superior Filtration Efficiency Made with electrostatically charged synthetic material that draws and captures allergens including lint dust mites mold spores pollen pet dander and dust. Improve... more

21 1/2 x 23 5/16 x 1 Carrier Replacement Filter by Aerostar - MERV 13 Box of 6

Size: 21 1/2 x 23 5/16 x 1 Model Number: 21 1/2x23 5/16x1 Designed for Superior Filtration Efficiency Made with electrostatically charged synthetic material that draws and captures allergens including lint dust mites mold spores pollen pet dander and... more

Nordic Pure 18x24x1/2 MERV 12 Half Inch Panel AC Furnace Air Filters 17 1/2 x 23 1/2 x 1/2 (17.5 x 23.5 x 0.5) 6 Count

Product Description Nordic Pure Half Inch Ring Panel AC Furnace Air Filters consist of an internal frame bonded between flat layers of two different types of electrostatically charged HVAC furnace filter media. The first layer is a high-capacity... more

12x12x1 AC and Furnace Air Filter by Aerostar Model: 12X12X1 M08 - MERV 8 Box of 6

Size: 12 x 12 x 1Model Number: 12x12x1Designed for Superior Filtration Efficiency Made with electrostatically charged synthetic material that draws and captures allergens including lint dust mites mold spores pollen pet dander and dust. Improve Indoor... more

12x12x1 AC and Furnace Air Filter by Aerostar Model: 12X12X1 M11 - MERV 11 Box of 6

Size: 12 x 12 x 1 Model Number: 12x12x1 Designed for Superior Filtration Efficiency Made with electrostatically charged synthetic material that draws and captures allergens including lint dust mites mold spores pollen pet dander and dust. Improve... more

12x12x1 AC and Furnace Air Filter by Aerostar Model: 12X12X1 M13 - MERV 13 Box of 6

Size: 12 x 12 x 1 Model Number: 12x12x1 Designed for Superior Filtration Efficiency Made with electrostatically charged synthetic material that draws and captures allergens including lint dust mites mold spores pollen pet dander and dust. Improve... more

Aerostar 12x12x2 MERV 13 Pleated Air Filter 12x12x2 Box of 6 Made in the USA

Size: 12 x 12 x 2 Model Number: 12x12x2 Designed for Superior Filtration Efficiency Made with electrostatically charged synthetic material that draws and captures allergens including lint dust mites mold spores pollen pet dander and dust. Improve... more

Aerostar 12x12x2 MERV 8 Pleated Air Filter 12x12x2 Box of 6 Made in the USA

Size: 12 x 12 x 2 Model Number: 12x12x2 Designed for Superior Filtration Efficiency Made with electrostatically charged synthetic material that draws and captures allergens including lint dust mites mold spores pollen pet dander and dust. Improve... more

Aerostar 12x12x2 MERV 11 Pleated Air Filter 12x12x2 Box of 6 Made in the USA

Size: 12 x 12 x 2 Model Number: 12x12x2 Designed for Superior Filtration Efficiency Made with electrostatically charged synthetic material that draws and captures allergens including lint dust mites mold spores pollen pet dander and dust. Improve... more

Aerostar 16 1/2x21 1/2x1 MERV 11 Pleated Air Filter 16 1/2x21 1/2x1 Box of 6 Made in the USA

Size: 16 1/2 x 21 1/2 x 1 Model Number: 16 1/2x21 1/2x1 Designed for Superior Filtration Efficiency Made with electrostatically charged synthetic material that draws and captures allergens including lint dust mites mold spores pollen pet dander and... more

Aerostar 16 1/2x21 1/2x1 MERV 13 Pleated Air Filter 16 1/2x21 1/2x1 Box of 6 Made in the USA

Size: 16 1/2 x 21 1/2 x 1 Model Number: 16 1/2x21 1/2x1 Designed for Superior Filtration Efficiency Made with electrostatically charged synthetic material that draws and captures allergens including lint dust mites mold spores pollen pet dander and... more

Aerostar 12x20x2 MERV 8 Pleated Air Filter 12x20x2 Box of 6 Made in the USA

Size: 12 x 20 x 2 Model Number: 12x20x2 Designed for Superior Filtration Efficiency Made with electrostatically charged synthetic material that draws and captures allergens including lint dust mites mold spores pollen pet dander and dust. Improve... more

Aerostar 12x24x2 MERV 11 Pleated Air Filter 12x24x2 Box of 6 Made in the USA

Size: 12 x 24 x 2 Model Number: 12x24x2 Designed for Superior Filtration Efficiency Made with electrostatically charged synthetic material that draws and captures allergens including lint dust mites mold spores pollen pet dander and dust. Improve... more

Aerostar 12x30x1 MERV 8 Pleated Air Filter 12x30x1 Box of 6 Made in the USA

Size: 12 x 30 x 1 Model Number: 12x30x1 Designed for Superior Filtration Efficiency Made with electrostatically charged synthetic material that draws and captures allergens including lint dust mites mold spores pollen pet dander and dust. Improve... more

12x24x1 AC and Furnace Air Filter by Aerostar - MERV 8 Box of 6

Size: 12 x 24 x 1Model Number: 12x24x1Designed for Superior Filtration Efficiency Made with electrostatically charged synthetic material that draws and captures allergens including lint dust mites mold spores pollen pet dander and dust. Improve Indoor... more

Aerostar 12x20x2 MERV 13 Pleated Air Filter 12x20x2 Box of 6 Made in the USA

Size: 12 x 20 x 2 Model Number: 12x20x2 Designed for Superior Filtration Efficiency Made with electrostatically charged synthetic material that draws and captures allergens including lint dust mites mold spores pollen pet dander and dust. Improve... more

Aerostar 10x12x1 MERV 11 Pleated Air Filter 10x12x1 Box of 6 Made in the USA

Size: 10 x 12 x 1 Model Number: 10x12x1 Designed for Superior Filtration Efficiency Made with electrostatically charged synthetic material that draws and captures allergens including lint dust mites mold spores pollen pet dander and dust. Improve... more

Aerostar 6x12x1 MERV 13 Pleated Air Filter 6x12x1 Box of 6 Made in the USA

Size: 6 x 12 x 1 Model Number: 6x12x1 Designed for Superior Filtration Efficiency Made with electrostatically charged synthetic material that draws and captures allergens including lint dust mites mold spores pollen pet dander and dust. Improve Indoor... more

Aerostar 12x16x1 MERV 13 Pleated Air Filter 12x16x1 Box of 6 Made in the USA

Size: 12 x 16 x 1 Model Number: 12x16x1 Designed for Superior Filtration Efficiency Made with electrostatically charged synthetic material that draws and captures allergens including lint dust mites mold spores pollen pet dander and dust. Improve... more

Aerostar 12x18x1 MERV 11 Pleated Air Filter 12x18x1 Box of 6 Made in the USA

Size: 12 x 18 x 1 Model Number: 12x18x1 Designed for Superior Filtration Efficiency Made with electrostatically charged synthetic material that draws and captures allergens including lint dust mites mold spores pollen pet dander and dust. Improve... more

Aerostar 12x20x2 MERV 8 Pleated Air Filter 12x20x2 Box of 6 Made in the USA

Size: 12 x 20 x 2 Model Number: 12x20x2 Designed for Superior Filtration Efficiency Made with electrostatically charged synthetic material that draws and captures allergens including lint dust mites mold spores pollen pet dander and dust. Improve... more

Aerostar 12x20x2 MERV 13 Pleated Air Filter 12x20x2 Box of 6 Made in the USA

Size: 12 x 20 x 2 Model Number: 12x20x2 Designed for Superior Filtration Efficiency Made with electrostatically charged synthetic material that draws and captures allergens including lint dust mites mold spores pollen pet dander and dust. Improve... more