Aliexpress
Click here… to search for 220V 20W Reptile Pet Vivarium Heater Heat Mat [EU] on Aliexpress
Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in Europe 
. I don’t want to misguide you about the price. I don’t know if it’s good, because I don’t have enough records in my database… Only one coupon available!
Link: Banggood product page
Coupon (15.03 USD): BG589b2e
(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): BGcw0403c
(there’s a little possibility that old coupon will work)
Price history and price alert
We don’t have enough records in database to show price history for this item. BTW: We have only recorded this price: 10.07 USD.
You can set price alert (for Banggood).