Using this detergent drawer rinse insert is easy. Just take out the old insert from your Samsung front - loading washing machine's detergent drawer and place this new one in its place. It should fit snugly. When using your washing machine, you can add your rinse - aid or other suitable products into this insert as you normally would. As for maintenance, it's a good idea to clean the insert regularly. You can do this by removing it from the drawer and rinsing it under warm water to get rid of any detergent residue. Make sure it's completely dry before putting it back in. Remember, this part is only the insert, so don't expect it to come with the whole drawer. If you're unsure if it fits your machine, check with us first. With our 25 - year experience in supplying appliance parts, you can trust this insert to work well in your Samsung washing machine.