Good Deal 60% confidence
costco.com · (Costco)
(Costco) Winix C909 Air Purifier $159.99
$159.99 $207.99 ↓23%
Winix C909 4-Stage air purifier with WiFi & PlasmaWave Technology. I've been eyeing this air purifier for a while now and it's finally on sale. https://www.costco.com/.product.100842491.html
Is this deal still available?
Price History
90-day price tracking across retailers
Price History
90 daysCurrent
$159.99
Lowest
$151.99
Highest
$228.79
Current
$159.99
90d Low
$151.99
90d High
$228.79
Community Verdict
40 reviews60% recommend
Best for
Deal hunters & bargain seekers
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Limited time offer
Pro tip
Extended return policy and warranty through Costco
Community-sourced deal with moderate approval. Verified available at costco.com.
Discussion
0Trust Score
Moderate 70
Historic low price No
Authorized seller Verified
Honest pricing Verified
Current model Current
True Cost
No surprisesBase price $159.99
Shipping Free
Total $159.99
Deal Info
Retailer costco.com
Brand (Costco)
Category Other
Posted 9/1/2026
othercostco