With the Bosch H-class ptfe flat pleated filter, you protect your health while tackling demanding remediation and construction jobs. Certified for H-class hepa filtration with a 99.995% dust retention rate, it reliably captures the finest hazardous particles to keep your workspace safe. The dual non-stick ptfe coating prevents fine dust from clogging the pes fibres, ensuring your Bosch gas 35 h afc or gas 55 M afc maintains powerful suction throughout the job. You can seamlessly vacuum hazardous dust, coarse dirt, and liquids without switching filters. Robust and washable, this reusable filter delivers long-lasting performance and dependable protection.