The heart of
Westinghouse
Air Purifiers is what is on the inside:
NCCO Reactor
+
True HEPA Filter
+
Pre Filter
+
Filter Frame with
Active Oxygen Generator

REPLACEMENT
FILETRS AND
NCCO REACTORS
HEPA Filters should
be replaced after
3,000 operating hours.
NCCO Reactors should be replaced every 3
to 5 operating years.
REPLACEMENT
FILTERS AND
NCCO REACTORS
To Fit Models:
1804
HEPA Filter should
be replaced after
3,000 Operating
Hours.
NCCO Reactors should be replaced every
3 to 5 years.