Armstrong Ceilings Prelude Fireguard ID Black 20-Pack 144-in Galvanized Steel Ceiling Grid Main Beam Color:Black Factory-installed blower provides faster heat

Armstrong Ceilings Prelude Fireguard ID Black 20 Pack 144 in Galvanized Steel Ceiling Grid Main Beam Color:Black Factory installed blower provides faster heat Factory installed blower provides faster heat circulation 8 Length circumference (in 144 in x 15 16 in x 1 11 16 in Rotary stitched web for additional torsional strength and extra stability Hot dipped galvanized coating inhibits red rusting better than electrogalvanized or painted systems Intermediate duty load performance 240 linear feet per carton (20 pieces per carton) Easy to cut and field modify to suit job conditions using standard tools Black colored capping SuperLock™ main beam clip is engineered for a strong Series Name Prelude Fireguard ID Black Type Main beam Height (Inches) 1