Genuine Winix 115115 Filter A — Full Year HEPA + 4 Carbon Filters, Half Price! $42.73 CAD (53% Off)

Amazon.ca has the genuine Winix 115115 Filter A set for $42.73 CAD (list $91.00 — 53% off). Prime members ship free; otherwise free shipping over $35.

This is the complete one-year kit for Winix 5300, 5300-2, 6300, 6300-2, C535, P300, AM90 and 5500 units: one True HEPA cartridge plus four carbon pre-filters. Winix rates the HEPA stage for 99.99% of airborne allergens down to 0.01 microns — pollen, dust, smoke, pet dander.

The carbon pads are the part most people forget about. They're meant to be swapped every three months while the HEPA cartridge runs about twelve — that's where cooking smells and pet odour actually get handled. The unit's filter-check light tells you when it's time.

Buyers who tried third-party filters and came back report noticeably better airflow on the genuine set, and it seats in a C535 without fighting the housing. Filter prices have climbed over the last few years; this is roughly half of what the set normally runs.

Worth stocking before the windows close and the furnace starts cycling — from here on, indoor air is the purifier's job.

Ranks #20 in Air Purifier Filters with 8,468 reviews at 4.7 stars.

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