Architectural Lattice Grilles 1301-4x18 Finish:White 2" ADC compliant round collar

2" ADC compliant round collar with a bead for ease of installation

3 hour fire resistance rating

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

Countersunk mounting holes for flush appearance with color matching Phillips Pozidriv screws

T-Bar hinged 2 Cone Step Down Diffuser with Round Collar

Architectural Lattice Grilles 1301-4x18 Finish:White 2" ADC compliant round collarStandard 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