Using this lint filter is easy. Just install it in your Haier HWT10MW1 or HWT80MW2 top load washing machine according to the machine's instructions. When using, make sure the filter is properly in place to effectively catch lint. As for maintenance, regularly check the filter after each few washes. If it's full of lint, remove it and clean it under running water. Let it dry completely before putting it back. If you're not sure if this filter fits your washing machine, don't hesitate to contact us with your model number before making a purchase. With our 25 - year experience in supplying appliance parts, you can trust this product.