
Swirl Diffuser Plenum Box 500
£65.00
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Shipping calculated at checkout.
Pickup available at Ducting Supplies
Usually ready in 2 hours
Constructed from 0.7mm galvanised mild steel, these plenum boxes are designed for use with NK-SWA-500 fixed blade and NKSD-C-595-24 adjustable blade swirl diffusers.
Featuring a side entry configuration, they offer an option for 12mm acoustic foam lining to enhance sound attenuation. Pricing varies according to spigot size—please refer to the dropdown menu below. Dimensional data is available by clicking the image.