COALSI | Product Overview

Our products

Hybrid activated carbon filter for effective odor control against organic compounds in all common sewer ducts, industrial exhaust systems of all sizes and solutions against foreign water ingress, especially in heavy rain, and modular solutions for corrosion-free manhole covers.

Channel odor problems

The COALSI solutions against odors from the sewer without closing the channel.

Street Sewer Filters

Stops odors from escaping from sewers without closing the channel. This prevents corrosion - the channel can breathe.

Street Drain Filters

Filters odorous gases from the side drain - integrated in the leaf trap so that dirt is not flushed into the sewer.

Exhaust air odour problems

COALSI solutions against odors from exhaust air systems - from pipe end filters to large filter systems.

Multi-chamber filters

Effective remedy for increased odour pollution from exhaust systems - available as pipe end and intermediate pipe filters.

Volumenmax

Powerful power pack for particularly heavy odors with active ventilation.

Block filter systems

Powerful power pack for particularly heavy odors as a passive, currentless solution.

Polylok

Pipe end filters with normal odors, for example from roof filters.

Foreign water

Prevent foreign water entering the sewer.

Aquastop

Prevents foreign water from entering the sewer network too quickly and uncontrollably and relieves the load on the sewage treatment plant — also available with integrated ventilation.