Good Deal 62% confidence
costco.com · Winix
Winix C909 4-Stage Air Purifier with Wi-Fi & PlasmaWave Technology @ Costco $165
$165.00 $214.50 ↓23%
Winix C909 4-Stage Air Purifier with Wi-Fi & PlasmaWave Technology Costco $165 with shipping cost. https://www.costco.com/p/-/winix-.../100842491
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Price History
90-day price tracking across retailers
Price History
90 daysCurrent
$165
Lowest
$156.75
Highest
$235.95
Current
$165.00
90d Low
$156.75
90d High
$235.95
Community Verdict
48 reviews62% recommend
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Limited time offer
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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 $165.00
Shipping Free
Total $165.00
Deal Info
Retailer costco.com
Brand Winix
Category Other
Posted 11/9/2026
othercostco