$12.34 – Car Automotive Refractometer (Banggood, Aliexpress: Ethylene Glycol: -50°C-0°C (0–70%), Propylene Glycol: -50°C-0°C(0–70%), Resolution Factor: 5°C / 5% /, (ATC) Temperature Compensation Range: 10°C-30°C (the best price with coupon)).
Car Automotive Refractometer is for $12.34 (in Banggood). Check coupons or create price alert down below. Do you want to know what the best price is?
Latest price update (UTC time):
Banggood ($12.34)
Banggood warehouse is located in China. Is it good price? This price is higher than average price ($12.02) for this item. Well, there is one coupon available right now.
Link: Banggood product page
Price without coupon: $12.99
1. ($12.34): BGMAI666
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 and https://couponsfromchina.com/short/feV
Old coupons (from the oldest to the newest): BG20236Tool, BGTOOS729
(I don’t think these’re gonna work, but you can try ’em out anyway)
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
Click here to search by yourself. Here are coupons that you can use.
Price history and price alert
Price history (for all/most countries) for Car Automotive Refractometer is here. The lowest price was: $11.04.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).