Four-pack of Beer Crystal water softening filters, ideal for maintaining lower urinary tract health. - Brand: Beer Crystal - Type: Water softening filter - Quantity: 4 filters - Purpose: Maintaining lower urinary tract health - Retail Price: 1980 yen Purchased on March 10th, one filter was used, but the water dispenser broke, and I bought a different type. Therefore, these are no longer needed. There are only three filters remaining, but they are new and unused. To reduce shipping costs, the contents will be removed from the outer packaging and repackaged. Please understand. The outer packaging will be folded and included.