The Britax TRIFIX is the latest, safest and most beautifully engineered Group 1 seat from Britax. Universally approved for use in any car with ISOFIX and Top Tether anchorage points, the TRIFIX is the first seat to feature the revolutionary ISOFIX+ installation system The combination of the patented V-Tether and Pivot Link technologies dramatically reduce your child’s forward and rotational movement, keeping them safer than ever.