Check the listing for details. Sunterra 304125, Water Cleansing Refills, Package Has 4 Refills Inside FREE SHIP. Condition: New. Listed at 12.95 USD. Sunterra 304125, Water Cleansing Refills, Package Has 4 Refills InsideEach refill contains up to 30 days of treatment Helps keep water fountain water clean and clear FREE SHIPPING, RETURN FREIGHT IS NOT REFUNDABLEWE NOT HAVE GUARANTEED SHIPPING FOR OUR ITEMS. EBAY DOES AND AUTOMATICALLY ADDS IT TO OUR LISTINGS. PLEASE READ: We buy mostly closeouts, shelf pulls and from liquidators. Therefore boxes, lids, labels can have blemishes and some products will not come with a box and/or manufacture sealed. We will describe all of our items listed to the best of our ability, if an item has a manufacture seal we will not open the seal to test the product (they will be sold AS IS). If the item is opened and/or seal is broken then we will open and check to make sure all of the parts are in working order.