by releasing catches on the sides of the
unit and then lifting the whole top assem-
bly off of the base section as is shown in
the bottom photo on the previous page.
The bag snaps into the bottom assembly
and a cone shaped section in the upper
assembly engages the bag opening
(which is sealed by a soft lip running all
around the bag opening) when the two
assemblies are brought together.
Air is sucked in through the hose port and
into the bag trapping most of the airborne
particulates. The now largely cleaned air
that passes through the disposable bag is
further scrubbed by replaceable automo-
tive type air cleaner elements (shown in
brown in the upper assembly in the bot-
tom photo on the previous page) before
being returned to the room.
Suction is 99 CFM with up to 80” of static
water lift so performance is impressive
even for such a small unit.
The CT 22 and larger units are different.
First, the top hinges open rather than lift-
ing off. The disposable bags fit into a
chamber tightly connecting to the incom-
ing air hose tube shown in the photos
above and to the left.
An “O” ring seals the bag chamber to the
top when the top is closed. As with the
CT Mini, the air coming through the dis-
posable bag is quite clean. But unlike the
CT Mini which uses automotive style air
cleaner elements, on the CT 22 and
larger units, before the air is returned to
the room, it passes through dual HEPA
filters shown in white in the photo on the
next page. These remove 99.97% of all
particulate down to 0.3 microns in size
so that the air coming back into the room
where you are operating the sander is
99.99% dust-free.
Inlet air tube
CT 22 Dust Extractor
Inlet air tube
CT 22 Dust Extractor
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