Deflect-O 5-1/2 in. H X 10-16 in. W 1-Way Silver Plastic Air Deflector 51

"""Direct central forced air and save money on heating and cooling costs with a Deflecto model 51 air deflector. Adjusts to fit metal wall registers from 10-16 inches wide. Suitable for both central air heating and cooling applications, this air deflector helps direct forced air in the direction you want, for added comfort around the home or office. Clear plastic design features built-in magnets and molded screw slots to help secure the air deflector to the sidewall register. * * """