Mainstays 1-Gallon Cool Mist Humidifier $10 at Walmart $10 $17 Walmart has the Mainstays 1-Gallon Cool Mist Humidifier (White or Black, MDH-0103J) on clearance for $10 with free shipping with Walmart+ (30-day trial) or on $35+. $10 retail: $17 Report Posted by Faraday03/08/2024 at 06:34 AM PT