Steel Opposed Blade Damper
Aluminum Opposed Blade Damper
Steel Opposed Blade Damper for Drum Louvers
Stainless Steel Opposed Blade Damper
Steel Volume Extractor, 2" Blade Spacing
Steel, Grille Mounted, Opposed Blade Damper
Aluminum, Grille Mounted Opposed Blade Damper
Steel Opposed Blade Damper, Duct Mounted
Aluminum Duct-Mounted Opposed Blade Damper
Steel Volume Extractor, 1" Spacing, Long Blades
Steel Opposed Blade Damper
Aluminum Opposed Blade Damper
Aluminum Opposed Blade, Duct-Mounted Cable-Operated Damper
Equalizing Grid for Round Neck Diffusers
Equalizing Grid for Rectangular Necks, Blades Parallel to Long Dimension
Steel Equalizing Grid with Blades Parallel to Short Dimension