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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.
4. Replace the Filter
Assembly, inserting the
bottom of the Filter
Assembly first.
INSTALLING THE OPTIONAL HARSH ENVIRONMENT PREFILTER
(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.
See Page 11 for full instructions on removing Filter AssemblyNOTE:
The bottom of the Filter Assembly is held into place by two alignment guides (see inset).NOTE:
3.
CAUTION: Unplug the unit before performing any maintenance prcedures.
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