This car seat adapter is Clip 4.
It is compatible with the Urban and Graco Snug Ride seats number 20, 30 and 35.
In terms of stroller models, it is compatible with the following stroller models:
pre-2010 urban or urban elite
urban jungle
terrain
+one
This was purchased brand new in Winter 2016. So handy for putting your car seat straight onto your stroller. Clip is easy to remove from the stroller as well.
See website for more info. https://mountainbuggy.com/ca-en/Buy/car-seat-adapters/car-seat-adapters/urban-jungle-car-seat-adapters/urban-jungle-car-seat-adapters/clip-4