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Ducting Supplies

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Ducting Supplies

Swirl Diffuser Plenum Box 500

4.5 (1,234)

Sold 100+ last 30 days

20% off first order

£65.00

Color

Black

Quantity

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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

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