Radian® SafePlus™ Rear Facing Base is only compatible with the following Radian® SafePlus™ All-in-One convertible car seat models:
- Radian® 3QX SafePlus™
- Radian® 3QXT® SafePlus™
- Radian® 3QXT® FirstClass™ SafePlus™
- Radian® 3R® SafePlus™
- Radian® 3RXT® SafePlus™
12 months