Back Draft Damper – [NRD]
- Frame constructed of high quality Galvanised steel with one side flange for Duct to Duct mounting.
- SUS is available on request.
- Blades constructed of light weight quality aluminium.
- Damper height exceeding 300mm supplied in multiple blades.
- Length of Damper blade exceeding 1200mm is supplied with intermediate mullion.
- Unless specified, otherwise damper comes without matching flanges.
- Standard depth of damper is 210mm.
- Round NRD is available on request.

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