DEC 2100 Operator's Manual page 181

7. Grasp the new filter by its tab and slide it into place.
CAUTION: Always handle the filter by its tab and not by its mesh sides.
The mesh sides are fragile and can be damaged easily.
8. Fold the filter tab in and close the filter cover until it snaps into place.
Fig 7-52, MLO-004882
Fig 7-53, MLO-004883
Maintenance 7–39