C-90B is the new & improved C-90A
The C-90A has gone through an engineering redesign to further enhance
performance and has been re-designated as the C-90B. The filters and
electronic cell are the same parts in both the C-90A and C-90B, however,
design changes to other sections of the C-90A have resulted in improved
performance leading to the C-90B.
Compare the new C-90B
to the top-rated C-90A:
C90B vs. C90A
Square Footage Served
506
465
CADR - Pollen
421
370
CADR - Tobacco Smoke
326
300
CADR - Dust
384
375
CADR (Clean Air Delivery Rate) is determined by the Association of Home
Appliance Manufacturers (AHAM). Click
here for more information on CADR and AHAM.
