A round, flexible exhaust tube at the back of your dryer connects to the wall and sends hot, moist air outdoors. As your heated clothes tumble in the hot air, lint (tiny bits of the cotton or other fibers that make up your clothing) come off the fabric. Most of these fibers end up in the lint trap as the exhaust air passes through it. You can usually access the lint trap inside the dryer door or on top of the dryer.
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