"It is square shaped and made of cellulose. Use for ordinary dust like house dust and abrasive materials. The Bellows Filter is a replacement filter for use with Bosch dust extractors.
Cellulose bellows filter, dry application
• Square-Shaped Replacement Filter • The Cellulose Filter allows for high suction power when extracting fine dust and offers a high dust retention. • Square shaped, made of cellulose
Specifications: Size cm²: 4300 Dimensions (length x width x height) mm: 257 x 69 x 187 Material: Cellulose bellows filter"