Product review (2 stars): VERY DISAPPOINTED!! Legs are weak
my six in pipe does not fit around the damper plate.......so I have to try to put it in side the lip inside is very small there is no way this is not going to leak!!!!!!!!!!  VERY DISAPPOINTED!!  Legs are weak!!!!!  This has been a horrible experience I can not even find a number to call or any info on how to put pipe in the right way.
HELP