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Model EC Round Lattice Grille is designed for use in residential and commercial applications. The model EC can be used for exhaust, return or supply applications with a low air resistance and low noise levels, and can be installed on a wall or mounted on ductwork with spring clip. The model EC is constructed of a heavy gauge aluminum frame with 1/2" x 1/2" thin aluminum lattice. The standard finish is clear anodized finish. Material  Heavy-Gauge Aluminum Finish  Clear Anodized (Custom Colors Available) Sizes  8" 10" 12" Features  Made from Machined Anodized Aluminum  Available for Standard Duct Sizes  EC Download  Catalog  Submittal Sheet (Inch / Metric)  High Resolution Picture

Model EC Dimensions (PDF Version) MODEL DUCT SIZE LATTICE A B C D E FREE AREA EC 8 8" 1/2 x 1/2 10 1/16 7 9/16 1 1/4 3 15/32 0.22 sq.ft. EC 10 10" 1/2 x 1/2 12 1/32 9 17/32 1 1/4 3 15/32 0.37 sq.ft. EC 12 12" 1/2 x 1/2 14 11 1/2 1 1/4 3 15/32 0.56 sq.ft. Dimensions are in inches. Product information is Subject to Change Without Notice