Double Deflection Linear Bar Grille & Register

Grilles Linear Grilles linear bar grille vs linear slot diffuser I don't know what brand of linear diffusers I've seen, but they look more like the MetalAire LFL style In T-bar flushount grills I see a linear slot vent Linear bar grilles and registers are attractive air distribution devices used in heating, ventilation, and air conditioning systems

linear slot diffuser plenum box sizing between grille , register , diffuser hvac-What's the difference between grille , register