Aliexpress
Click here… to search for Diiib Dabai Adjustable Flow Pressurized Shower Head MAX on Aliexpress
Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China. There is one great coupon!
Link: Banggood product page
Coupon (22.55 USD): BG00c906
(CouponsFromChina.com tip: 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
Old coupons (from the oldest to the newest): BGSEXP3011, BG10OFFAFF1, BANGGOODSD, BGBF20off2, 00c906, BGAlerabat1, 8BGwbg2204, 2203ActiesNL, tRaDetRaCKeR, 8wEbgaInS5, pROMo8cuPoN, BGJUNEGSG9, BG8ReviTrage, Cuponation9
(you can check these old coupons out, but these probably won’t work)
Price history and price alert
Here is price history (for all/most countries) for Diiib Dabai Adjustable Flow Pressurized Shower Head MAX.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).