Check coupons or create price alert down below. Let’s see what best price is ATM.
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest price update (UTC time):
Brand SOOCAS, Executive Standard GB 4706.1-2005/GB 4706.59-2008, Modes Novice Mode/Gum Protaction Mode/Standard Mode/Burst Mode, Charging Time About 4 hours, Water Flow 1300 times/min, Water Tank Capacity 200ML, Product Model W3F, Waterproof Rating IPX7, Use Time About 90 days, Color Green/Pink
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($55.79): BGHealth10D
2. ($58.27): BG00c906
you should apply the coupon in your 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/5cd
Old coupons (from the oldest to the newest): BANGGOODSD, BGOCXP261, BGHealth06, 00c906
(probably won’t work, but you can try them out)
Price history and price alert
Do you need price history chart (for all/most countries) for SOOCAS W3F 200mL Oral Irrigator? There we go.
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)).