10. Check the state and the good positioning of the 2 O-ring at the bottom of the scrubber
which are located inside on the white side plate. The Red one (silicone) on the white
plate, the black one (EPDM) in the recess of the canister.
11. Place the canister into the scrubber.
12. Check the state and the good positioning of the o-ring of the black cap of the scrubber.
13. Close the scrubber.
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