/Value: The client value corresponding to /FilterType. You can specify multiple values for a single type. See the following ...

[/Value:]
        The client value corresponding to /FilterType. You can specify
        multiple values for a single type. See the following list for
        valid values for certain filter types (for example,
        ChassisType).

Valid Filter Values:
====================
Filter Type: ChassisType
------------------------------
Other, UnknownChassis, Desktop, LowProfileDesktop, PizzaBox, MiniTower,
Tower, Portable, Laptop, Notebook, Handheld, DockingStation, AllInOne,
SubNotebook, SpaceSaving, LunchBox, MainSystemChassis, ExpansionChassis,
SubChassis, BusExpansionChassis, PeripheralChassis, StorageChassis,
RackMountChassis, SealedCaseComputer, MultiSystemChassis, CompactPci,
AdvancedTca.

EXAMPLES:
---------
WDSUTIL /Add-ImageFilter /Image:"Windows Vista with Office"
/ImageType:Install /FilterType:Manufacturer /Policy:Include /Value:Name1


WDSUTIL /Verbose /Get-Image /Image:"Windows Vista with Office"
/Server:MyWDSServer /ImageType:Install /ImageGroup:ImageGroup1
/Filename:install.wim


WDSUTIL /Add-ImageFilter /Image:"Windows Vista with Office"
/Server:MyWDSServer /ImageType:Install /ImageGroup:ImageGroup1
/FilterType:Manufacturer /Policy:Include /Value:Name1 /Value:Name2
/FilterType:ChassisType /Policy:Exclude /Value:Tower /Value:MiniTower