single windows and single doors

The exhaust air hose is mounted in the middle in front of the window/door with the pre-assembled adapter. It can be passed over the window/door. The window/door can be tilted and closed without removing the hose. If the hose is routed over the window/door (not always possible), the window/door can also be opened completely without removing the hose. The exhaust air system can remain installed all year round. The assembly and disassembly effort is low.
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