INSTALLATION1. Turn off the climate control system.2.Move the front passenger seat fully rearwards and remove the front passenger floor mat.3.Working from top-to-bottom, use a trim tool to carefully release the right side panel from the center console.4.Use a clip to carefully release the push clips that secure the front passenger footwell cover to the instrument panel. Then, while supporting the footwell cover, disconnect the two electrical connectors and move the footwell cover .5.Remove the T20 screw that secures the cabin filter cover to the heating, ventilation, and air conditioning (HVAC) module then release the cabin filter cover and move it .6.Fold the upper cabin filter's tab upward and the lower filter's tab downward.7.Holding the tab on the upper cabin filter, pull the upper filter out from the HVAC module.8.Holding the tab on the lower cabin filter, pull the lower filter upwards and then out from the HVAC module.9.Ensuring that the arrows on both new filters face towards the rear of the vehicle, insert the lower cabin filter into the HVAC module and lower it into place. Then, insert the upper cabin filter above it.10.Fold the tabs inward so that the cabin filter cover can be installed.11.Install the cabin filter cover by engaging the lower cover tab then securing the T20 screw using. Tighten the screw to 1.2 Nm\/0.89 ft-lbs.12.Reconnect the two electrical connectors to the components in the front passenger footwell cover, then resecure the cover with the push clips. The Air filters custom designed for model 3, It's a nice replacement for Model 3 2017,2018,2019,2020,2021Super Functional Contains soda and carbon to generate breeze air; Prevent pollen, industrial , road dust, and other particles from entering the cabin through the vents; Enhanced HVAC performance,Recommended replacement every 12 months or 12,000 mileswhich is more breathable than others. Large filtration area ,high-capacity of Dust ,long lifespanEasy Install and Remove Easily install and easily removable, Follow the detailed instruction, will be very easy to install, it only take about 20 minutes to finished and get new air in the carcolour:Black + whiteMaterial:Activated carbonPackage Contents:2* Activated Carbon Air FilterNote: If the HVAC module does not have a cabin filter cover, reinstall the trim panels and contact .Only the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.