Loop Distribution
4 ft.
Flex Duct
Crossbreak
Ductboard
Boot
Centrifugal Fan
Splice Collar
Propeller Fan
The piece that connects the supply run to the register in the room.
Reducing Plenum
Take-off/Start Collar
Extended Plenum Distribution
Radial Distribution
This is used to connect two pieces of flex duct together.
The maximum space between hanging straps for flex duct.
Wye
The least efficient type of air distribution system.
