select your language  > Products / Services > Treatment of Off-Gases for environmental remediation Treatment of Off-Gases for environmental remediation: Single pass activated carbon filters On-site regenerating activated carbon filters Catalytic units for air containing hydrocarbons Catalytic units for air containing chlorinated hydrocarbons All processes can also be utilised in related fields and industries. Ask our qualified engineers to advise you. © 2013 Villiger-     Systemtechnik AG     Download our flyer here.