Set of 4 all-round filters, perfect for maintaining lower urinary tract health. I'm selling these because I changed my water dispenser. I will ship via Rakuraku Mercari, so I will repackage them after removing them from the outer bag. (The contents are individually wrapped, so please don't worry.) Please purchase only if you understand. - Brand: GEX - Type: All-round type - Quantity: 4 pieces - Purpose: Maintaining lower urinary tract health - Filter Material: Microfiber, Calcium, Polymer - How to use: Soak in water Thank you for looking.