Armstrong Ceilings Prelude 30 Pack 12 ft White Metal Smooth Wall Moulding Ceiling Grid Trim Professional Tools Its sloped design offers a Its sloped design offers a deeper soak and extra comfort during your therapeutic bath ) 6 Returnable 180 Day Number of Buttons 0 Wired or Wireless Wireless Electronic Mechanical Electronic Lever style Straight Interior Exterior Interior Exterior Number of Batteries Required 4 Security ANSI Grade ANSI Grade 2 (Better) Application Type Entry 875 Depth (Inches) 0 Hot dipped galvanized coating inhibits red rusting better than electrogalvanized or painted systems Hemmed angle moulding with prefinished exposed flanges 360 linear ft per carton (30 pieces per carton) High recycled content Suspension system 10 year limited warranty 144 in x 7 8 in x 7 8 in Easy to cut and field modify to suit job conditions using standard tools