The dryer lint filter catches the lint and debris that comes off of clothing during the drying cycle, preventing it from clogging up the dryer's ventilation system. Over time, the lint filter can become clogged with a buildup of lint, reducing its effectiveness and potentially causing damage to the dryer. It's important to clean the lint filter regularly to prevent these issues and en... https://www.hnkparts.com/dryer-parts/dryer-lint-filter