Aliexpress
Click here… to search for Blue Filter for Xiaomi Mi Purifier 1/2/Pro [NOT Original] on Aliexpress
Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China. There is one coupon right now! Check this out.
Link: Banggood product page
Coupon (36.07 USD): 13f142
(CouponsFromChina.com tip: coupon code has to be applied in shop’s 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): 7b8224, 38fc92, 9c71a2, 33d232, 7b89fc, 31b658, 20tools, 502C6B, e2bcea, BG1534, BGfiltrnie, aff7off, BGaDmITAd, BGBFAFF2019, BGCITYADS2019, 2020CNY, BGHOMEAPP, BGMPB2020, bGhOnEy10, BGSS10%SW, bgshOOp10, BGHome15%, BGHOMEAPP13, BGHOMEA13
(you can check these old coupons out, but these probably won’t work)
Price history and price alert
Price history (for all/most countries) for Blue Filter for Xiaomi Mi Purifier 1/2/Pro [NOT Original] is here.
Price records source(s): Gearbest, Banggood
Click on image to enlarge.
You can set price alert (for Banggood).