SAMSUNG Original Air purifier replacement filter CFX-B100D AX40K3021UWD X40K3020UWDAX40K3020GWDAX4
model :
CFX-B100D
Using models : AX40K3021UWD, X40K3020UWD,
AX40K3020GWD,AX40H5000UWD,AX40H5000GMD,
AX037FCVAUWD