For your consideration, here is a Box of 24 Teledyne Water Pik Pour-Thru Waterfresh Filters, Model WR-1. The box has some wear on it. The perforations in back opening is opened a little around the curved area. It will be mailed in a box.  Item pictured is the actual item for sale, and comes from a non-smoking household. (131.942c-.13hc)