Model: DEM-ST635, Power: 25W, Decibel: ≤38dB, Voltage: 220V~50Hz, Type: Humidifier, Capacity: 4.5L, Working Time: 16 hours, Material: ABS, Color: White.
Basically copy coupon, view price history or create e-mail price alert. What is best price?
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
Click here to search by yourself. Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China. We have found one coupon for this product!
Link: Banggood product page
1. ($64.34): BG10OFFAFF1
this code has to be applied in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BGDER635, 7d18f7, BGDEM635, BGHOMEAPP, bGhOnEy10, BGTT10, BGHOMEAPP13, BGHOMEA13, BGDEM636, Email5, BGSS10%SW, bgshOOp10, BGHome15%, 13f142, BGCuponation10
(you can check these old coupons out, but these probably won’t work)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. China – Deerma DEM-ST636 4.5L Air Humidifier ($-3)
Price history and price alert
Check out price history chart (for all/most countries) for Deerma DEM-ST635 Air Humidifier 4.5L. The lowest price was: $50.99.
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)).