Panasonic Secondary 9658 Foam Filter Go to amazon.com Related posts Top 9 best hepa filter panasonic: Which is the best one in 2022? FeatureThis is an O.E.M. Authorized partFits with various Panasonic brand modelsOem part # AC37KAKTZ000 DescriptionThis is an authorized aftermarket product. Fits with various Panasonic brand models. It has a oem part # AC37KAKTZ000.