For air intake and exhaust to prevent rain, snow, leaf and animal ingress.Rectangular construction – modular constructions available. Rainwater ingress penetration efficiency of appr. 95%.

For air intake and exhaust to prevent rain, snow, leaf and animal ingress. Rainwater ingress penetration efficiency of appr. 97% and snow 75 …95%. Heating capacity of 2260 W/m2 with an operating voltage of 230 VAC.