Aliexpress
Here are coupons that you can use.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
Coupon (14.22 USD): BGSCM75
Coupon (14.71 USD): Cuponation9
(CouponsFromChina.com tip: just apply this code 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): BG1efeb0, MVC8SPRING, 8BGwbg2204, tRaDetRaCKeR, BGAUTO22, BGdcbfa8
(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 Air Compressor Duster Blower Gun Nozzle? There we go.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).