Winix C909 4-Stage Air Purifier with Wi-Fi & PlasmaWave Technology

Winix C909 4-Stage Air Purifier with Wi-Fi & PlasmaWave Technology

$159.99$199.99

Not seen on sale since Oct 2, 2026 — this deal has likely ended. The price history below shows what it sold for.

Winix C909 4-Stage Air Purifier with Wi-Fi & PlasmaWave Technology was marked down to $159.99 at Costco, 20% below its $199.99 list price. DealHawk has tracked it since Apr 1, 2026. Online prices move daily and in-store clearance often differs by location — DealHawk checks both and alerts you when the price drops.

See today's Costco price drops Get price-drop alerts
  • Retailer: Costco
  • Category: home
  • Tracked since: Apr 1, 2026
  • Last checked: Oct 2, 2026

Winix C909 4-Stage Air Purifier with Wi-Fi & PlasmaWave Technology price history

$203.99$179.99$155.99List $199.99Apr 1, 2026Apr 30, 2026
Lowest tracked$159.99Apr 1, 2026
Highest tracked$159.99Apr 1, 2026
Price changes0since Apr 1, 2026

$159.99 is the lowest price DealHawk has tracked for this item.

More Costco deals in home

Mandy Coffee Table and 2 Side Tables Mandy Coffee Table and 2 Side Tables $249.99$499.99 50% off iPack 2-piece Luggage Set iPack 2-piece Luggage Set $59.99$169.99 39% off Teagan 60” Adjustable Height Desk Teagan 60” Adjustable Height Desk $249.99$499.99 37% off Dynamic Aveiro 2-person Full Spectrum Infrared Indoor Sauna Dynamic Aveiro 2-person Full Spectrum Infrared Indoor Sauna $2299.99$3499.99 34% off Ecomax AC/DC Bucket Top 12" Misting Fan Ecomax AC/DC Bucket Top 12" Misting Fan $74.99$114.99 34% off Cascade Cove 68” Accent Console Cascade Cove 68” Accent Console $399.99$599.99 33% off Kohler PureWash E805 Bidet Toilet Seat with Remote Control Kohler PureWash E805 Bidet Toilet Seat with Remote Control $199.99$299.99 33% off MotoFloor Modular Garage Flooring Tiles 48 square feet per Box 1' x 1' Tiles MotoFloor Modular Garage Flooring Tiles 48 square feet per Box 1' x 1' Tiles $99.99$149.99 33% off

Browse all Costco deals → · Costco price codes explained

Find the markdowns before they're gone

DealHawk tracks clearance and price drops at Walmart, Target, Home Depot, Lowe's, Best Buy, Costco, Dollar General and more — online and at the stores near you.

Start free