There are no operational issues. It has been used for about a month. You can use it immediately after delivery. There is one cartridge in total. The adapter I was using is the one in the picture. Accessories are as shown in the photos. ▶︎Details◀︎ ------------------------------------------ [Name] Cleansui Water Purifier, Direct-Connect Type, MONO Series, Metallic Body MD101-NC, Removes PFOS/PFOA Organic Fluorinated Compounds ----------------------- [Quantity] 1 (body only) ------------------------------------------ ------------------------------------------ [Name] Cleansui Water Purifier, Direct-Connect Type, MONO Series, Replacement Cartridge MDC01SZ-AZ, Genuine Product ----------------------- [Quantity] 1 ------------------------------------------ *Please understand that this item is stored by an individual before purchasing. *Please take a close look at the photos before purchasing. *It has already been packed, so please refrain from requesting additional photos. *Please understand the 3N rule (no returns, no refunds, no exchanges) for used items. Depending on the date, same-day shipping is possible. Please check in the comment section.