Tilia Shutter (Wood)Three louver sizes: 2 12, 3 12 and 4 12 All upgrades available: Bypass, Bi fold, French Door, etc. Available with the Traditional Tilt bar system and Mini Tilt Bar system. The tilt bar can be placed in almost any position. Front and back Available in deep rich stains & colours The general size standard is 4" top and bottom rails for most shutters Maximum panel width and height with 2" top and bottom rails is 20" x 36" Panels over 60" in height require