Square-Shaped Replacement Filter - The Flat Pleatede Filter is a replacement filter for use with Bosch dust extractors. Flat pleated filter made of polyester (PES) with additional nano-coating. It is square shaped and made of polyester. Use for ordinary dust like house dust and abrasive materials. Suitable for ordinary fine dust of dust class L and M. Features and Benefits:Square-Shaped Replacement FilterThe PES Filter is resistant to moisture, economic and suitable for switching between wet and dry applications. Rot-proof: insensitive to moisture. Recommended for frequent changes between wet and dry vacuuming.Square shaped, made of polyester Specifications: Size: 6150cm² Dimensions (length x width x height): 240 x 140 x 56mm Material: Polyester (PES)