Architectural Lattice Grilles 1305-34x32 T-Bar Spiral pipe diameter must be

Spiral pipe diameter must be 4” larger than Height of the duct opening

listed Fire-Resistance Diffuser * 700 Series - T-Bar Lay-in Panel * TVB - Thermal Vapor Blanket * Square collar

Standard Features * Full size fixed bar blade T-Bar lay-in return air grille *

904 - Double Deflection Adjustable Aluminum Blade Grille For a 18" x 6" Duct Opening   (front blades parallel to shortest dimension)

Architectural Lattice Grilles 1305-34x32 T-Bar Spiral pipe diameter must beStandard Features 1 rim size (2 larger than nominal duct size order size) 14 gauge steel construction Countersunk mounting holes for a flush appearance 1 2 Wide x 1 2 High square holes. 3 16 crossbars, with 53% 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