GermGuardian Filter B HEPA Pure Genuine Air Purifier Replacement Filter

GermGuardian Filter B HEPA Pure Genuine Air Purifier Replacement Filter, Removes 99.97% of Pollutants for AC4825, AC4300, AC4900, AC4825DLX, AC4850, CDAP4500, AP2200, Black/Yellow, FLT4825 Item is new and unused with original packaging. I took the top of the plastic wrap off and then realized I had ordered the filter size B but needed the filter size C. The plastic wrap on the rest of the filter is intact but the top is opened.