The K&N VF2007 is a washable, reusable cabin air filter built on non-woven synthetic media and pre-treated to help capture odor-causing particles along with dust, pollen, and mold spores before outside air reaches the HVAC system. Its polyurethane construction is designed to be cleaned and returned to service instead of thrown away at each interval. Over the life of a vehicle, that can cost less than repeatedly buying disposable paper cabin filters, and it cuts down on waste. Compared with a generic disposable filter, the VF2007 is sized to match the factory cabin filter housing, so it is intended as a direct swap with no modification.
This filter is listed for the Hyundai Tucson, but published model year ranges differ from one source to another, so confirm the year and trim against your vehicle and the existing cabin filter before ordering. Keep in mind that this is a cabin (HVAC) filter, not an engine air filter. Searches for a washable Hyundai Tucson cabin filter, reusable HVAC filter, or K&N cabin air filter VF2007 replacement are a good match for this part. Confirm the access procedure for your model year before starting, and clean the element fully before reinstalling it.