Updated: 09-01-2026.
Xiaomi DEERMA DEM-ST300S 4L Humidifier
Banggood warehouse: China.
Discount price $79.19 with coupon: BG10OFFAFF
Discount price $79.19 with coupon: BGwhielabel
Discount price $86.99 with coupon: 13f142
Additional Banggood coupons:
1. First page
2. Second page
Aliexpress
I could not find it on Aliexpress. Click here to search by yourself.
Price history and price alert
Price history (for all/most countries) for Xiaomi DEERMA DEM-ST300S 4L Humidifier is here. The lowest price was: $64.99.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).