IONAC shower head filter, with a processing capacity of 30,000L, made of plastic and a lightweight design of 138g. - Brand: IONAC - Product Name: Shower Head Filter - Material: Plastic - Processing Capacity: 30,000L (down to a minimum of 5.5PPM) - Body Weight: 138g Thank you for viewing. This is a set of 3 unused items (one box has been opened). If you purchase the shower head, which is listed separately, together, I will offer a small discount. Amazon List Price: ¥19,840