$20 off $100 Spend at Kogan.com @ Plus Rewards (Membership Required) - $4 for first four weeks
Took me about two minutes to sign up and obtain the voucher. cancelled my subscription from Paypal.
Extra 6% off with gift cards - Can only use gift cards or Plus rewards
Here is a comparison of all Xiaomi Air Purifiers
Does the Pro take the same filters as the 2h/3h? eg. Can I buy the standard HEPA filter and put it in the pro?