Content Container Nailor has a large selection of Round Supply Louvered Grilles. Standard options include double and single deflection with options for 1", 2" and 3" spacing. Three frame options are available for all models. Models RDDG - Round Double Deflection Supply Grilles RSDG - Round Single Deflection Supply Grilles Submittals All Submittals Combined Individual Submittals RDDG • Round Grille • Double Deflection • Supply RSDG • Round Grille • Single Deflection • Supply Performance Data RDDG • Round Double Deflection Supply Grilles • 1" Blade Spacing • Performance Data RDDG • Round Double Deflection Supply Grilles • 2" Blade Spacing • Performance Data RSDG • Round Single Deflection Supply Grilles • 1" Blade Spacing • Performance Data RSDG • Round Single Deflection Supply Grilles • 2" Blade Spacing • Performance Data RSDG • Round Single Deflection Supply Grilles • 3" Blade Spacing • Performance Data