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    Questions on airflow performance specs of two dif register designs.

    Hello LittleInch & thanks for the reply, Yeah, in per the dif of the blades, is a good thought, but if I am reading you right as I posted above, the similar Hart & Cooley units have pretty much the exact same specs though they look to have the same damper setup. So if I had to guess and as...
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    Questions on airflow performance specs of two dif register designs.

    Hello MintJulep & thanks for the reply, Is interesting that you mention that as actually if I recall one of the other reasons I chose the Lima and in particular the SW 600 version over say a same Hart & Cooley unit or something else was as it was the only model that had a front damper handle...
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    Questions on airflow performance specs of two dif register designs.

    Hello all, First off, sorry this is a bit long for such a mim subject, but I just figured I would give you all the info I could upfront. So as an ex HVAC contractor I am a little embarrassed to post this question, but for my own house for what sidewall registers I have, I have been mostly...

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