Aliexpress
Click here… to search for High Pressure Washer Spray Nozzle [EU] on Aliexpress
Here are coupons that you can use.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in Europe 
. Uhm… There’s no price history (in my database) for this product right now. There is one great coupon!
Link: Banggood product page
Coupon (11.43 USD): BGSCM11
(CouponsFromChina.com tip: put item in your cart and apply coupon code there 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): BG044609
(probably won’t work, but you can try them out)
Price history and price alert
Well, you won’t see price history chart, coz we have only 1 database record for this item (and price was 10.99 USD).
You can set price alert (for Banggood).