Description
20" Box Fan Filter is custom-sized to fit almost all 20 square box fans. It is made of a special blend of polyester synthetic media that is designed to be washable and air dried making it good for multiple uses. The filter protects you from large particles sticking to your fan and the further spread of airborne contaminants.
Features
- Fits 20" Box fans
- Prevents dust from blowing through the room
- Can be trimmed for custom fit
- Washable and Reusable
- Easy to install
- Helps reduce Allergens and Pet Dander