Ductless Balance Enclosures

HFH Ductless Balance Enclosures isolate and trap chemical vapors to prevent ecological impact through release into the environment

Carbon filters are available in more than 14 configurations for use with vapours of organic solvents, acids, mercury and formaldehyde. HEPA/ULPA filters can be added for biological safety

Ductless Balance Enclosures from HFH are self-contained and do not require venting to the outside. Many ductless units are portable and may be moved with minimal downtime and without filter changes. Ductless Balance Enclosure set-up, operation and filter maintenance are straightforward

 The single EC blower motor assures lower cost of ownership in one of the world's most energy efficient ductless fume cupboards

Facility ductwork, HVAC and construction costs are eliminated because filtered air is returned to the room, no demands are required of the facility HVAC capacity for make-up air. A convenient, strategically placed front cover window shows the installed filter part number and installation date to encourage timely filter replacement

Cabinet airflow and face velocity protect users from incidental exposures to fumes. The electrostatic pre-filter is accessible from inside the chamber and 91% effective down to 1-3 microns.