Installation Instructions
Spec Sheet
Spiral Grilles are used for exposed Spiral Duct applications. Double deflection with individually adjustable vertical blades in front, horizontal blades in back. Integral Gasket seals Grille tightly to duct. Includes built in air scoop extractor that allows for accurate balancing and air control.
Aluminum construction, Mill Aluminum finish. Universal style allows this size to work on pipe from 8″ to 24″ in diameter.
One size suffices for many diameters; Stock sizes include 10″ x 4″ and 12″ x 4″ for 8″-24″ diameters Spiral Pipe and 10” x 6” and 12” x 6” for 12″ thru 24″ diameter pipe.
Item Codes:
4004PAL10X04 4004PAL 10×4 (AL) Spiral Diffuser
4004PAL10X06 4004PAL 10×6 (AL) Spiral Diffuser
4004PAL12X04 4004PAL 12×4 (AL) Spiral Diffuser
4004PAL12X06 4004PAL 12×6 (AL) Spiral Diffuser
4004PAL12X08 4004PAL 12×8 (AL) Spiral Diffuser
4004PAL14X04 4004PAL 14×4 (AL) Spiral Diffuser
4004PAL14X06 4004PAL 14×6 (AL) Spiral Diffuser
4004PAL14X08 4004PAL 14×8 (AL) Spiral Diffuser
4004PAL16X06 4004PAL 16×6 (AL) Spiral Diffuser
4004PAL16X08 4004PAL 16×8 (AL) Spiral Diffuser
4004PAL18X06 4004PAL 18×6 (AL) Spiral Diffuser
4004PAL20X06 4004PAL 20×6 (AL) Spiral Diffuser
