For below Air purifiers

AX037FCVAUWD - 37㎡(HEPA Filter, deodorization Filter)

AX020FCVANDD - 20㎡(HEPA Filter, deodorization Filter)

NEW AX20H5000EBD - 22㎡ (HEPA Filter, deodorization Filter)

NEW AX40H5000GMD - 41.6㎡ (HEPA Filter, deodorization Filter)