Legrand - Pass & Seymour 55501 Reiker New Construction Slide Fan Support Heavy duty slide fan support brace; inner steel bar Standard box; rotating dual support expands for spans of 16 to 24 inches New construction; preassembled with ground screws installed Peel-off tape for hands-free installation UL listed up to 70# fan/110# fixture; meets latest NEC safety codes; 5 year warranty