The AC Safe fan filter is custom-sized to fit almost all 20-inch square box fans. Just clip it to the back of your fan. It can be trimmed for a custom fit. This unique product is made of a special blend of polyester synthetic media that is designed to be washable and air dried, making it suitable for multiple uses. Use it to prevent dust from blowing throughout the room and keep fan blades clean. You'll wonder how you got along without it!Filter fits almost all 20-inch square box fans
Can be trimmed for custom fit
Easy to install and store
Clips to back of box fan
Washable and reusable
Prevents dust from blowing throughout the room
Keeps fan blades and grill clean
air filtration filter filters box fan fans ac safe ff-20
Package Contents: filter
4 clips
instructions
warranty
This item cannot be shipped to APO/FPO addresses
This product ships in approximately 1 days
This product is made in CN