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ARI 890-2001
- Air Diffusers and Air Diffuser Assemblies
- standard by Air-Conditioning, Heating, and Refrigeration Institute (formerly ARI), 09/01/2001
- Publisher: ARI
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This standard applies to Diffusers and Diffuser Assemblies used in air distribution systems whichare duct connected to a remote forced air source, as defined in Section 3.
This standard does not apply to Grilles, Registers, and troffer diffusers. Sound and pressure performance of Diffuser Assemblies providing for automatic volume control shall be rated in accordance with ARI Standard 880.
This standard does not apply to Grilles, Registers, and troffer diffusers. Sound and pressure performance of Diffuser Assemblies providing for automatic volume control shall be rated in accordance with ARI Standard 880.
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