Architectural Lattice Grilles 1305-26x18 Commercial SD52 - Transition Box Spiral

SD52 - Transition Box Spiral Pipe Grille (Single Deflection)

CSFM California State Fire Marshal listed

1/4” Wide x 1-27/32” High slots

3/16” holes on 1/4” staggered centers

with 75% free area

Architectural Lattice Grilles 1305-26x18 Commercial SD52 - Transition Box SpiralStandard 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