21x21x4 Merv 11 Air Filter
21x21x4 Merv 11 Air Filter AC Furnace Air Filter
$36.78
Price Per Filter
How many filters?
- Quantity
- Price per Filter
Product Description
Filter Size: 21x21x4
Actual Size: 20.5x20.5x4
Actual Size Fraction : 20.5x20.5x4