Any luck adapting vent sizes?

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    William Arrington

    KEEN makes an adapter.  I just ordered one.  $29 + $18 standard shipping.  I will post pictures once I get it in.  

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    Stephen Cook

    Any update on the trim kit? I am in a similar situation in that I need a couple 4x14 vents, but Flair has been making new sizes for 2 years

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    paul doupont

    These trim kits reduce the vent opening size. It seems to me that this would work only if you want the maximum heating and cooling in that room to be reduced.

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    William Arrington

    Paul is correct, we have noticed a difference since we installed the vent.  The smaller sizes has made it more challenging to stabilize the room.  

    Also, you will need to trim the KEEN adapter.  I used a hand file and trimmed about a 1/4 to 1/2 inch to make the FLAIR vent fit.  

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