Oxygen Concentrator DEDAKJ DE-2SW 2L-9L [EU] (Banggood, Aliexpress: Net Weight: 7.3KG/14LB/222OZ, Atmospheric Pressure: 86kpa-106kpa, Rated Voltage: AC110V (US Plug)/AC220V (EU /UK Plug), Oxygen Flow: 2L-9L Adjustable, Display Control: HD LED Touch Screen, Machine Size: 33.8x 18.5x 30.5CM, Rated Power: 120VA, Operating Noise: ≤45dB(A), Oxygen Concentration: 30%-90% (±3%), Anion Output: 8 Million/cm³, Oxygen Generation Method: Pressure Swing Adsorption (PSA) (the best price with coupon)).
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 price update (UTC time):
Banggood
Banggood warehouse is located in Europe 
. There’s only 1 record in my database, so I have no idea if the price is OK. We have found one coupon for this product!
Link: Banggood product page
1. ($274.15): 8BGwbg2204
coupon code has to be applied in shop’s cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/feV
Price history and price alert
We don’t have enough records in database to show price history for this item. BTW: We have only recorded this price: $246.99.
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)).