Honeywell Hepa Room Air Cleaners Sold In Ont. Canada I Want To Get The Honeywell Room Air Purifier... But.?

I want to get the Honeywell Room Air Purifier... But.? - honeywell hepa room air cleaners sold in ont. canada

This is the description:

Clean air in your house is simple and elegant with the Honeywell HEPA Tower Air Purifier. Lifetime Permanent HEPA ™ type filter helps reduce up to 99% of the particles in the air like dust, pollen, cat sheds, smoke and mold spores suspended in the air through the filter. Easy to clean, vacuum can save hundreds of replacement HEPA filter costs to models of replacement filters. An electronic filter clean indicator lights up when you should remember to clean the filter. A built-in ionizer and provides extra cleaning power and helps freshen the air through them. The filter also has an antimicrobial treatment to prevent mold growth on the filter. Ideal for medium-sized rooms to 169 square meters (13'x13 ') with 3 cleaning levels for quiet operation. Start enjoying cleaner, fresher air today with an elegant Honeywell HEPA Type Tower Air Purifier for your home or office.

HEPAClean-permanent filter never needs replacement
Lowers the 99% of the particles suspended in the air

It is said that only fIt is a (13x13) .. Rooms for this use is a classroom that is atleast 20x20. If you get a clean place, I think the air is in the worst case would be for a 13X13 area then this product is not completely useless, or will work if your room a larger whole time (13x13).

I also tried an air purifier in the $ 100 - $ 150 for a larger space, so if you find another suggestion, please list