I opened the box, but the item is unused. I purchased this in 2023, but it is now discontinued and is an older model bathroom water purifier. I bought it for approximately 120,000 yen. High-performance water purifier made of stainless steel, NSF certified for safe use. - Brand: BathSpring - Product Name: Bathroom Water Treatment System - Materials: Stainless steel and plastic - Accessories: Installation parts, hoses, filter - Certification: NSF certified Price is negotiable. Please contact me if you have any questions. Thank you for looking.