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 # Ottersauger & Otterfilter
 
-The Ottersauger and Otterfilter are two devices to evacuate and clean air, especially used for solder fumes. WIP
+The Ottersauger and Otterfilter are two devices to evacuate and clean air, especially used for solder fumes. Both are seperate devices, which are connected by stacking.
+
+!()[/images/IMG_20180414_180506.jpg]
+!()[/images/IMG_20180414_201624.jpg]
+
+## Ottersauger
+
+Based on an EBM-Papst fan. (need to find out which model it was)
+
+Files:
+
+```
+ 	vacuum_case.svg
+  interlock_frame.dxf
+  interlock_foot.dxf
+```
+
+## Otterfilter
+
+!()[/images/IMG_20180414_180157.jpg]
+
+Files:
+
+```
+ 	Filter_case.dxf
+  Filter_insert.dxf
+  interlock_frame.dxf
+  interlock_foot.dxf
+```
+
+## Hose connection
+
+Files:
+
+```
+ 	125mm_adapter_small.dxf
+  125mm_adapter_big.dxf
+```