Aliexpress
Here are coupons that you can use.
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – DIGOO DG-M1 180ml Water Flosser [EU] (-3 USD)
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China. You can get coupon down below.
Link: Banggood product page
Coupon (34.99 USD): 13f142
(CouponsFromChina.com tip: paste coupon code in your cart and click Apply after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): BG2999948, BGDG15, BGDGM120, BGDigoo15%, 20%DG422, bGhOnEy10, BGTMCB7, BGDGASG, BGMPDWF, BG11025, BGDGO255, BGE309, BGSD58965, BGHALLOWEEN, BgcLuBofErtA10, BGHBHJ105, BGAFF10OFF, BGCuponation10
(probably won’t work, but you can try them out)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – DIGOO DG-M1 180ml Water Flosser [EU] (-3 USD)
Price history and price alert
Check out price history chart (for all/most countries) for DIGOO DG-M1 180ml Water Flosser.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).