How to Open your Linear Slot Diffuser Blades

The linear slot diffuser looks great in any home, here is a EN: Installation of Ventmann LINE

Linear slot diffuser- with removable pattern control device Foam gasket is sealed around the back of frame as option to avoid air leakage RAL color code

frameless slot diffuser Supply Return Linear Slot Diffusers w Integral Volume Directional Pattern Controllers The

alien fruits slot 1, 2, 3 and 4 slots 20mm and 25mm slot width Accessories: Sliding damper; End cap; Plenum box; Mitered corner for ceiling & wall application; Frameless side