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Square to round transition collar
Divided 2-way multi-louver and combination shut-off
Airfoil blades individually adjustable on 3/4" centers
Minimum size 4"x4"
931-SS - Stainless Steel Adjustable Blade Single Deflection Grill - 4 x 4 Alloy:316SS Square to round transition collarStandard Features Type 304 stainless steel Adjustable single deflection grille Airfoil blades individually adjustable on 3 4" centers, parallel to longest dimension Countersunk mounting holes for flush appearance with stainless sheet metal screws Minimum size 4"x4" Maximum size 60"x48" Satin polished finish Note: Sizes are Listed Nominal Duct Opening Options Type 316 stainless steel Opposed Blade Damper Available blade centers at 1 2", 1" and 1 1 2"
