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WARNING: Be sure the unit is unplugged before proceeding to the
next step. Removing the HEPA filter while the UV light is on could
cause serious eye injury.
8. Turn the four wing nuts that hold the HEPA filter's clamps in place counterclockwise.
Then remove the four clamps and their springs, washers, and nuts. For older units,
use the 7/16 inch wrench.
9. Remove the HEPA filter as follows: First, pull the bottom toward you. Then slide the
filter down as illustrated, slipping the plastic disposal bag over the bottom of it as in
the procedure for removing and disposing of the pre-filter. Work the bag up over the
filter as the filter is being removed.
10. Promptly close and seal the plastic disposal bag.
