When your bathroom shower is liquefied Then you will need it. Because you have purchased the bunker company’s shoe at a low price. Or using many old shower. So you need it for you. Anyway, this 100% money back guarantee, including our Shower Head Washer. It works in water and for better clean thinking, two six will look good. This rubber washer is the latest design of stainless steel filter mesh in the middle. You have 3 washers per package. Your trust and love are our resources.