Vitavia additional skylight black obtain further ventilation by to mount additional skylights. What additional ventilationsvindue mounted in ridgeline. There can mounted one ventilationsvindue in each tagsektion. Can mounted in avenue vitavia greenhouses with skylights. Ventilation window gives increased ventilation past, the laws help to with to keep temperature down in in greenhouse. Additional ventilationsvinduer delivered without glass use one of dè existing glass, there bowl cut in size 600 x 544 mm. Woe...
