Diffuser Boxes

SDB 66
Diffuser Boxes
Square/rectangular to round transitions for ceiling mounting of
diffusers. Made of galvanized steel. Available in a variety
of sizes.

Increasers/Reducers,
Caps and Plugs
TR (tapered
reducer) - I/R (increaser/reducer)

FC (cap) - GP
(plug) - FR (flue reducer or plug reducer)


VM 6 (Aluminum Perma Kote
Screen)


NP 218 (Nail Plates, 2x18 &
2x24)
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