Product Specifications: [Water Filter] Manufacturer: Premium Water Type: Water purifier water server Slim-R Filter (Old Model) Model Number: HC22D2L-PW-WB Condition: Unused (Unopened) Quantity: Set of 2 Accessories: Clean Cap (Unused) Child Lock Cover (Unused) Product Condition: Thank you for viewing. This is a listing for a Premium Water water purifier water server cartridge. There are traces of a label being removed from the outer box. I am selling unused cartridges because I replaced the water purifier. Due to hygiene concerns, I have not checked the inside. If you comment before purchasing, I will add photos of the opened product. Thank you. Important Notes: This product is a cartridge for the Slim-R (old model) water purifier water server. It cannot be used with the new Slim-R2 model.