Using this Bosch lint filter is easy. Just locate the lint filter slot in your Bosch front - loader dryer, usually at the front near the door. Gently slide the filter into the slot until it fits snugly. When it comes to maintenance, after every few drying cycles, take out the filter. Use a soft brush or your hands to remove the lint trapped in the filter. Make sure to clean it thoroughly to keep your dryer running efficiently. As for the note, this filter may not fit all Bosch dryer models. So, always double - check your dryer's model number before purchasing. If you have any doubts, reach out to us, and we'll help you find the right fit.