Buy one analytical column at a time and get a medical mask

Buy 2 analytical columns at a time and get Jingdong shopping card

Buy 3 analytical columns at a time and get Philips eye protection table lamp

Buy 4 analytical columns at a time and get Mofei juice cup

Buy 5 analytical columns at a time and get Jiuyang air fryer

Buy 10 analytical columns at a time and get BRITA filter kettle

The order must include 1 InertSustain C18.

This event is only for end-users and the right of interpretation is owned by the company.