Armstrong Ceilings Prelude XL White 60 Pack 47.06 in Galvanized Steel Ceiling Grid Cross Tee Pet Turf while a gloss finish heightens Item Weight:.625 while a gloss finish heightens luminosity for walls Matte tile suitable for residential and commercial floors and pools spas Eco friendly with zero VOCs Manufactured with high quality glazed porcelain ceramic for value and durability Easy to care for and maintain It is recommended to add 10% overage to the purchase to accommodate for cuts and waste during installation 53 lb Recommended Light Bulb Shape Code LED Maximum Wattage (watts) 0 Color Family Brushed Nickel Color Finish Brushed Nickel Light Bulb Type Included LED Indoor Outdoor Outdoor Returnable 180 Day Number of Lights 1 Light Compatible Bulb Type LED Maximum Bulb Wattage 18 W Light Bulb Base Code LED Product Depth (in Specification Details Series Name Prelude XL White Type Cross tee Material Galvanized steel Color Finish Family White Manufacturer Color Finish White Width (Inches) 0 A: They are part of the 15 16 in Prelude XL system used to install 2 ft x 2 ft and 2 ft x 4 ft drop ceiling panels