netbox/docs/models/dcim/coolingoutflow.md

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# Cooling Outflows
A cooling outflow is a device component which delivers coolant to a downstream [cooling intake](./coolingintake.md), and generally represents an outlet on a coolant distribution unit (CDU) or manifold. A cooling outflow may optionally be associated with an upstream cooling intake on the same device for path tracing.
A cooling outflow is a **supply** point on the cold, coolant-distribution side of a loop: it passes coolant onward to downstream equipment. It does **not** represent the return of warmed coolant back to the cooling source. The return path is not modeled per-component; instead, a single [cooling feed](./coolingfeed.md) represents the entire loop, covering both the supply (cold) and return (warm) paths.
!!! tip
Like most device components, cooling outflows are instantiated automatically from [cooling outflow templates](./coolingoutflowtemplate.md) assigned to the selected device type when a device is created.
## Fields
### Device
The device to which this cooling outflow belongs.
### Module
The installed module within the assigned device to which this cooling outflow belongs (optional).
### Name
The name of the cooling outflow. Must be unique to the parent device.
### Label
An alternative physical label identifying the cooling outflow.
### Connector Type
The physical coolant connector type (e.g. UQD, UQDB, QDC, camlock, or threaded NPT/BSP).
### Diameter
The connector diameter, expressed as a numeric value with a selectable unit (millimeters, centimeters, or inches). Must be a positive, non-zero value in the selected unit, or left blank.
### Cooling Intake
The upstream [cooling intake](./coolingintake.md) on the same device which feeds this outlet (optional).