Ion exchange water purifier cartridge, filtration capacity of 4.0L/min. - Product Name: JC0032UG - Water Purifier Type: Polypropylene - Filtration Capacity: 4.0L/min - Compatible Models: Ion exchange water purifiers - Replacement目安: 4 months / when using 120L per day - Manufacturer: Takagi ★Please check the model number★ Although it is new, unopened, and unused, it has been stored at home, so there are scratches and wrinkles on the outer packaging. Please understand this before purchasing. (See image 4) We will take measures to prevent water damage and ship with simple packaging. Thank you for viewing!