18x18x1 (17.75 x 17.75) MERV 11 Filter
18x18x1 (17.75 x 17.75) MERV 11 Filter
Nominal Size 18x18x1. Actual Size 17.75 x 17.75MERV 11 Rated.Electrostatically charged filterGreat for helping reduce airborne allergens such as dust, pollen and pet dander.Lasts up to 3 months!Made in the USA
18x18x1 (17.75 x 17.75) MERV 11 Filter
- Nominal Size 18x18x1. Actual Size 17.75 x 17.75
- MERV 11 Rated.
- Electrostatically charged filter
- Great for helping reduce airborne allergens such as dust, pollen and pet dander.
- Lasts up to 3 months!
- Made in the USA