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ActivTek’s Optional Harsh Environment Prefilter is designed specifically for areas with tobacco smoke,
multiple pets, or anywhere excessive levels of contamination are in the air.
• Protects your air purifier from indoor contaminants, which may shorten the life of your product.
• Reduces monthly maintenance and cleaning time up to 90%
• Helps reduce odors
• Replaces easily, once a month, when cleaning unit
• Great in kitchen environments
• Helps reduce VOC’s and other contaminants
• Optional Harsh Environment Prefilter (#9950123)
2. Remove the Filter
Assembly by pulling
back the top, then
lifting up and out.
1. Remove the two
(2) thumbscrews
securing the top of
the Filter Assembly
5. Secure the top of the
Filter Assembly by
replacing the two
(2) Filter Assembly
holder thumbscrews
.
3. (a) For first install, cut the
Optional Harsh Environment
Prefilter to size and place on
top of Prefilter.
(b) For replacing, remove
Optional Harsh Environment
Prefilter and replace with a
new one.
4. Replace the Filter
Assembly, inserting
the bottom of the
Filter Assembly first.
INSTALLING THE OPTIONAL HARSH ENVIRONMENT PREFILTER
CAUTION: Unplug the unit before performing any maintenance procedures.
NOTE:
NOTE:
The bottom of the Filter Assembly
is held into place by two alignment
guides (see inset).
See Page 11 for full instructions on
removing Filter Assembly