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Diono Radian 3 RXT Car Seat

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Quick Overview

Enjoy the journey with the Diono Radian 3 RXT all-in-one convertible car seat, lovingly engineered to always overprotect. 


  • Three is not a Crowd - The Radian 3RXT car seats fit 3 across in most mid-size vehicles or larger
  • Worth the Weight - Radian 3RXT is engineered with premium innovative features like a steel alloy frame for safety you can feel
  • Easy Installation - SuperLATCH™ system makes installation easy and secure
  • Travel the World - Super portable, folds flat with available carry straps for easy travel and transporting with ease.
  • Infant Insert and Cupholder - Nested infant inserts in superior fabrics with room for two cup holders to hold drinks and snacks (comes with 1 cup holder)

was $399.99

Special Price $339.99

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was $399.99

Special Price $339.99


Diono has thoughtfully designed their products with hectic family life in mind. The Radian 3RX is lovingly engineered with a full steel frame and aluminum reinforced sides to maximize protection. The SuperLATCH™ system makes installation quick and easy and the memory foam cushioning, padded harness and specifically angled cup holder help to keep your little one happy on life’s short or long journeys. The low profile sides make life easy for you to board your child in the seat. Safety and functionality are always at the forefront; making sure that your little one will remain secure, comfortable and happy wherever life takes you. Diono has thought of everything so you don’t have to!

Weight/Height Details:

  • Extended rear-facing capacity from 2.3 - 22.7 kg (5 to 50 lbs) - (up to 112 cm or 44"in height)
  • Forward-facing: 10 - 29.5 kg (22 - 65 lbs) and between 76 - 144cm (30 - 57") in a 5-point harness
  • Booster from 23 to 54 kg (50 - 120 lbs) and between 101 - 144cm (40 - 57")

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