Costco Wholesale has for its Members: Winix Replacement Filter S for C545 Air Purifier on sale for $34.99. Shipping is free.
Thanks to community member rolipoli for sharing this deal.
Features:
For use with item 1320253 or 1449587 Winix C545 Air Purifier
True-HEPA filtration captures up to 99.97% of particles as small as 0.3 microns.
The carbon filter reduces odors and traps large particles.
Includes:
1x True HEPA filter
https://www.costco.com/winix-repl…20768.ht