You run a tight ship at home, from floor to ceiling and everywhere in between. Unfortunately, ordinary home non-electrostatic air filters aren't super effective at capturing unwanted particles. Good News: the unique design of the electrostatically charged Filtrete™ basic dust air filter attracts and trap more particles from your air through your heating and cooling system, making quality control a breeze. With each cycle through the filter, your indoor air becomes a little bit cleaner. Online purchases are in packages of 4.
| Id | 156228 |
| SKU | 9963315 |
| PartNo | 311-4 |
| UPC | 051141322797 |
| Country of Origin | Mexico |
| Type | Non-Electrostatic, Pleated |
| MPR Rating | 300 |
| MERV Rating | 5 |
| Filter Media | Fiberglass |
| Length | 14 In |
| Width | 14 In |
| Thickness | 1 In |
| CID | 9 |
