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). Are used for applications the require a good water-resistance and low air flow, or where there is a lot of wind.
  • Good ingress protection
  • Good water resistance at low flow rate
  • Storm construction
  • Snow-resistant
Order this article on e-REPS