You don't need two tags, any tag from any company will work on the CLEM7 and Go Between Bridge.

Yes FLOW tags work on any Australian tollway.

• Easy online account management is just one click away 24/7
• If you do need extra support, our call centre is open 7 days a week
• There are no minimum use requirements for small businesses
• You can choose to manually top-up your account without any extra fees
• You can keep track of your travel easily with a free printed quarterly statement