Unique VELCO supply valve is equipped with a thermostat, fine electrostatic filter and muffler. Inlet valve provides free, but controlled, fresh and purified air in the environment. This is especially important in winter when the limited heat loss. Suitable for both natural and mechanical ventilation systems.

Main features and advantages of VELCO:

  • Open construction ensures the free flow of air.
  • Careful filtering (F9 class filter - fine filter)
  • Each filter contains fibers with permanent electrostatic charge, which increases the efficiency of the particle suspension;
  • Successfully stops the dust and pollen particles (which causes shortness of breath and cough), odor molecules as well as the health of the most dangerous mineral particles (0.0025 mm in size, which are released into the blood);
  • Equipped with a built-in silencer *.
  • Durable in different atmospheric conditions.
  • Ease of use.
  • Inlet valve equipped with a thermostat, which automatically changes the air flow depending on the outside temperature.
  • The thermostat fully opens the valve at temperatures above + 10 ° C and closes it at temperatures below -5 ° C.
  • Simple design allows you to quickly replace the filter (if necessary).
  • Easy assembly of both existing and newly built buildings.
  • 10-year warranty.
  • There is no need for electrical installations.