Weight 1400g, Color Silver+Black, Size 16x9x10cm/6.3×3.5×3.9inch, Noise <60DB, Material Aluminum alloy, Displacement 70L / min, Power 45W, Pressure >0.02MPA, Voltage 220V, Frequency 50Hz.
You can create price alert here, copy coupons and view price history. 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 code price check (UTC time):
Banggood
Banggood warehouse is located in Europe 
. This is new product in my database, so I don’t know if this price is good. There is one coupon available! Pretty cool, huh?
Link: Banggood product page
1. ($27.29): Cuponation9
apply code in your basket (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): BG2ed8bf, BGJUNEGSG9, BG7ef6d6, BGbfde5c, BGabe8e7
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Price history and price alert
Not enough data to show price history chart… $20.99 is the only recorded price. It was not cheaper than that since we have saved it in DB.
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)).