Package Weight: 0.32kg, Product Types: Vacuum Cleaner Parts, Material: ABS, Fit Model: Roborock S4 S5 S6 E4 E20 E25 E35 S50 S65 Xiaomi Mi Mijia Robotic Vacuum Cleaner.
Just check coupons out (with price alert and history). What is the best price?
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.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China. As you can see I didn’t find any active coupon for this product right now…
Link: Banggood product page
Price: $-3
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): Cuponation9, BGAHPU13, BGeaf456, BG00c906, BG589b2e
(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 20pcs Replacement for Roborock Vacuum Cleaner? There we go. The lowest price was: $16.28.
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)).