Take air filtering to the next level with the Deflecto Air Filters. These electrostatic filters charged with static electricity reduce airborne particles such as dirt, dust, smoke, pollen & animal hair. They help keep dirt & objects from falling into ducts & they control the spread of pet dander through your HVAC system. Universal 4" x 12" size can be trimmed to fit 4" x 10" registers. Choose Deflecto Air Filters for an enhanced living experience! Vent Location: Floor Vents; Material(s): Polyester; Color: White; Color Family: White.