Unfortunately, we no longer offer this item and associated parts ourselves. Alternatively, the manufacturer can offer this or name a suitable source.

In principle, you can also operate the air conditioner without the necessary exhaust hose. But how much sense does it make that the warm air emitted by the unit remains in the same room that you actually want to cool and not heat up? https://www.clatronic.de/clatronic-klimagerat-cl-3672-schwarz.html

No, it works with gas. It has a drain, because humidity is always lost during cooling, but in minimal quantities. It should be enough to empty it once a year,just open the valve,it's also in the instructions for use that come with it.

No, everything is included in the device. Just plug it in and go!