491

The built-in wall vents 491 are equipped with storm blinds. They are attached invisibly in the wall opening with wall anchors or clip springs (small dimensions)._x000D__x000D_ Are used for applications the require a good water-resistance and low air flow, or where there is a lot of wind.
  • Good protrusion safety
  • Good water resistance with low air flow
  • Storm finish
  • Snow proof
M491001 M491001