Architectural Lattice Grilles 1308-44x34 Finish:MBlack One-piece removable slide damper for

One-piece removable slide damper for off-season closure

Step down core designed for 4-way uniform air distribution

Ceiling opening must be 4” larger in length and width than the nominal duct size

904 - Double Deflection Adjustable Aluminum Blade Grille For a 24" x 18" Duct Opening(front blades parallel to shortest dimension)

Standard collar diameter is the same as the diffuser size

Architectural Lattice Grilles 1308-44x34 Finish:MBlack One-piece removable slide damper forStandard Features 1 rim size (2 larger than nominal duct size order size) 14 gauge steel construction Countersunk mounting holes for a flush appearance 7 8 Wide x 7 8 High square holes. 1 4 crossbars, with 60% free area Options 14 GA 304 SS Construction Fractional Sizes Tamper proof Screws *Pricing is based on standard 14 GA steel construction. Please contact us for a quote on options. tony@registers direct. com