Get The Lennox Y4591 - 1st Generation to 2nd Generation Conversion Kit: Healthy Climate PCO-20C MERV 16 w/ Insert 21x26x4 Delivered To Your Door

Rest assured and breathe easy with the only indoor air quality system that safely removes and destroys odors and chemical vapors. It also reduces concentrations of pollutants through a process called photocatalytic oxidation (PCO) that combines three of nature's most powerful air purifiers; ultraviolet light, titanium dioxide catalyst and hydroxyl radicals

Indoor air quality is essential to our well being, and Canadians deserve a company that just gets it right. PureFilters was founded with a mission of making superior indoor air quality simple and affordable. PureFilters sources Lennox furnace filters directly from the manufacturer, saving customers a ton of time and money.

Not sure when to change your furnace filter? Check out our guide on how often you should change your furnace filter.

Not sure which MERV rating you should choose? Check out our MERV rating comparison chart.

Not sure if this is the correct furnace filter size? Check out our guide on nominal vs actual filter size.

Why PureFilters is Canada's #1 furnace air filter company

From hassle free returns, to instant responses via chat/phone/email, our PureFilters team goes above the call of duty to keep your air fresh without the stress. Be sure to check out the PureFilters Blog - Use Tips and Information On Indoor Air Quality

If you need help and prefer to speak to someone, please feel free to contact us anytime!

Experience the cleanest air in your home today, without paying a premium price for it.

PureFilters - keeping your air fresh, without the stress.