800 Series, 12816 Slim Line Commercial Grade 1 Door Closer With Cover, 2 Million Cycles, Adjustable Size 1-6, Fits Doors From 2' To 5' Width, Aluminum Finish, UL Listed 3 Hour Fire Rated, Ada Compliant, Retrofit Hole Pattern 12" Horizontal x 3/4" Vertical Measurements, Tri-Packed For Regular, Top Jamb & Parallel Arm Applications, Adjustable Spring Tension, Sweep & Latch Valves.