First of all, I ordered both the masks and the filters at one go because they are supposed to be used together. However this shop just shipped only one of them and cancel the other one and that’s just like you sent only one shoe without the other.
Secondly, I have not got the refund record at all and its just like I was forced to buy the filters at a higher price. I doubted you were intended to do so to make money out of it which is simply nonsense.
I reiterated this shop either keep your original price and send me the filter or refund all of them, but they keep no action, keep the masks on tracking even i ask for stop. And they dont sell the filters in original price.