Air Diffusion

MV Classic Air Diffusers
The one-piece grille, damper, box. Quickest install in the trade.
MV Retro Air Diffusers
One-piece grille, damper, box. The look and feel of a traditional antique cast iron grille.
Limited Clearance Diffusers
Grille/damper for side or top entry to conventional sheet metal box.
TuffBox Register Boxes
Tough rough-in polymer register boxes for HVAC systems. Strong. Silent.