These plenum take-offs are where the supply tubing connects to the plenum itself. This kitis intended to be used with 9" diameter round sheet metal plenums. You will need one plenum take-off per supply tubing run.
This kit contains (5) plenum take-offs, and matches nicely with the SpacePak AC-IKLT-5 Installation Common Parts Kit.
For more information, visit www.SpacePak.com.