Aliexpress
There’re some similar items on Aliexpress in my database. There may be some other items though.
| Image | Product (link) | Price | Coupons |
|---|---|---|---|
 |
Xiaomi Youpin Diiib Kitchen Faucet Aerator | 8.46 USD | – |
 |
Xiaomi Youpin Diiib Kitchen Faucet Aerator | 11.81 USD | – |
 |
Xiaomi Youpin Diiib Kitchen Faucet Aerator | 12.60 USD | – |
 |
Xiaomi Youpin Diiib Kitchen Faucet Aerator Updated Version | 15.41 USD | – |
More on Aliexpress… Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China. You can get coupon down below.
Link: Banggood product page
Coupon (137.48 USD): 2022ACTIESNL
(CouponsFromChina.com tip: apply it in your 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): BGFG864, BG18756, BG13767, BG17085, BG17373, BGBUYWITHUSHA, 7bcdf9, BGCuponation10, BGDiiibfaucet, BGHONEY2110, BGBWITHUS864, BANGGOODSD, BG21cd10, ADMITAD2212
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Price history and price alert
Here is price history (for all/most countries) for Xiaomi Diiib Kitchen Basin Sink Faucet.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).