Using this lint filter is easy. Simply install it in your Haier top load washing machine according to the model it's designed for. Make sure it fits snugly to catch all the lint. When you notice a lot of lint on the filter, it's time to clean it. You can gently remove the lint by hand or rinse it under running water. Remember, if you're not sure if this filter fits your machine, check with us first. Also, over time, even with regular cleaning, the filter may wear out. In that case, it's a good idea to replace it. Keep using this filter, and your washing machine will work better and last longer.