FILTER CHANGING PROCEDURE
Your NIKRO Portable Air Duct Cleaner is equipped with a filter monitor gauge which is
located on the lower filter cabinet. When this gauge reads 4" or higher, the following
steps should be taken:
1) Turn off unit.
2) Inspect the 12" clear hose assuring that it is not kinked or clogged.
3) Empty or replace the Merv 11 cube filter.
4) If gauge continues to read at 4" or higher, go to Step #5.
5) Replace the HEPA filter.
6) If gauge remains at 4" or higher with clean filters and no hose attached to the unit DO NOT
USE THE UNIT. Contact the Nikro Factory immediately.
1) 12” Intake
2) Merv 11 Cube Filter
3) 99.97% HEPA Filter
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