No, extra or replacement filter media cannot be purchased separately for the Brixwell 10x20x1-M8 Air Filter - MERV 8. • Disposable Design: The Brixwell 10x20x1-M8 uses a rigid, single-piece cardboard frame with pleated synthetic media built directly into the unit. • Replacement Method: Individual filter media pads are not sold or designed to be swapped out; instead, the entire filter unit is replaced every 60 to 90 days