Keep your dust extractor working at its best with the Bosch 2608000889 pes flat pleated filter. Designed from moisture-resistant polyester, it handles both wet and dry applications effortlessly without needing filter swaps. With a 99.9% dust retention rate, it traps fine dust and debris across dust classes L and M, keeping your vacuum motor thoroughly protected. The durable pes construction prevents rapid clogging so you maintain strong, consistent suction during demanding construction and renovation tasks. Quick and easy to install, it fits seamlessly into compatible Bosch Professional extractors like the gas 12-40 ma and gas 400 a for clean, efficient performance.