Architectural Lattice Grilles 1301-4x22 Finish:MBlack Standard Features * 4000 -

Standard Features * 4000 - door core grille with single frame * 4100 - door core grille with additional loose frame *

Heavy Duty Construction (1 1/2" frame depth utilized)

375 Series Engineering/Performance Data

listed Fire-Resistance Diffuser * TVB - Thermal Vapor Blanket * Square collar

Architectural Lattice Grilles 1301-4x22 Finish:MBlack Standard Features * 4000 -Standard Features 1 rim size (2 larger than nominal duct size order size) 14 gauge steel construction Countersunk mounting holes for a flush appearance 1 27 32 x 11 32 slots. 5 32 crossbars, with 75% 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