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  LD - Louver Damper  
  • Simple but effective volume control device with excellent air flow equalization characteristics.
  • The LD is installed in neck of diffuser. Blades are operated from face of diffuser using a 5/32" hex key.
Product Features
  • Coated steel construction
  • Consisting of a series of louver blades mounted on an ED equalizing deflector.
  • The LD louver damper can be added to any Anemostat round neck diffuser or SRA square to round adapter.
  • Flex duct bends may interfere with operation of damper and is not recommended.
  • Field installed accessory