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Grilles, Registers & Diffuser Accessories
Available1 product
Accessories for grilles, registers, and diffusers replace damaged or worn parts, help with installation, or add new functionality to existing components.
Product Type
Neck Reducers
Neck reducers connect to HVAC ducts and adapt them to different-sized vents and diffusers. They are made with flexible materials such as rubber and feature a tapered, tier-based design. This allows users to change their final diameter and adapt them to various diffuser sizes.
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