Swirl Diffuser Plenum Box 500 all products It's light and

It's light and

S400H (hand-operated)

With an impressive operating temperature range of -40°C to +70°C and suitability for speed control

providing smooth internal surfaces and enhanced leak resistance

Swirl Diffuser Plenum Box 500 all products It's light andConstructed 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 sizeplease refer to the dropdown menu below. Dimensional data is available by clicking the image.