The Dryer's Lint Filter is used to collect lint during the dryer cycle as it passes through the dryer vent, in order to prevent damage to the machine. This manufacturer-approved part comes in gray, measures around 12 inches wide by 11 inches high, and is easy to install. It slides into the lint filter slot in your dryer. If there is visible damage to the screen then it's time to replace the part. We recommend that you thoroughly clean the lint filter before every load, but even with good maintenance, this hard-working part is often damaged or worn over time. If your dryer isn't drying quickly, the filter may be responsible. The manufacturer has made an authorized substitution to the lint filter. Special details: When replacing lint screen ADQ56656401 you may need to also replace lint screen housing MCK49049101 and lint screen guide MEA49050001 to prevent items from catching on the lint screen, depending on your model.