what are the differences?

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Victorious4

Senior Community Member
B = booster (so no harness system: I think you knew this, but just adding clarification for newbie lurkers :))

B510 has the deeper head wings.... I don't remember exactly what the other differences are, but the B510 is the one that we chose based on its deeper head wings :twocents:
 

Jewels

Senior Community Member
B510 has the deeper head wings.... I don't remember exactly what the other differences are, but the B510 is the one that we chose based on its deeper head wings :twocents:
If I remember correctly the B510 adjusts taller then the B505.

I also saw that Sears now carries the Compass booster but I didn't look to see which one it was.
 

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