Box fan filter clips
thingiverse
Attach a Clip to Hold a 20x20x1 Furnace Filter onto a 20" Box Fan. Use Around the Garage, Makerspace, or Shop to Help Remove Any Dust Particles Floating Through the Air. Setup While Spray Painting, Using Power Tools, Etc... Don't Just Rely on a Dust Mask. Keep Your Lungs Cleaner. Wall Mounts for the Box Fan Can Be Found Here: https://www.thingiverse.com/thing:3501538
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With this file you will be able to print Box fan filter clips with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on Box fan filter clips.