Contents: 4 cleaning/descaling tablets. Effervescent tablets clean & dissolve scale/mineral build-up. Easy. odorless. Conventional and single cup coffee makers. Works with most brands of coffee makers. Single and Multi-cup Coffee machine cleaner and descaler tablets: Like most appliances, your coffee maker needs cleaning on a regular basis. If you’re making coffee every single day, you should perform a deep clean and descale on a regular basis, depending on the quality of the water available. To remove buildup of deposits such as lime and bacteria, use our tablets to improve the performance of your coffee maker and the taste of your coffee. www.parkerbailey.com.