Collars – Castellated

Fully insulated galvanised steel available in 150-550mm

444005 Metal CastellatedCollars 640x640
444005 Metal CastellatedCollars 640x640

Fully insulated galvanised steel.  Allows for connection of round flexible duct to square sheet metal or Polypanel duct.

Item # Size (mm/inch)
444005 150/6
444006 200/8
444007 250/10
444008 300/12
444009 350/14
444010 400/16
444011 450/18
444012 500/20
444013 550/22