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17
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Attaching the Filter holder support and PM2.5 Impactor
With the lower section of the filter holder support lowered, insert the PM2.5 impactor all
the way into the hole in the upper section of the main unit.
Next, attach the upper section of the filter holder support by inserting it into the lower
section of the PM2.5 impactor.
Place the filter holder on the lower section of the filter holder support. Raise the lower
section of the filter holder support until it touches the upper section of the filter holder.
Securely fasten the catch clips on the left and right of the filter holder support. Rotate the
upper section of the filter holder support to adjust the alignment of the catch clips.
PM2.5 impactor
Filter holder support
upper section
Filter holder
Catch clip
Filter holder support
lower section