A-1- Polycarbonate back, mechanically attached through return: Option A, Option B or Option C. A-1a - Solid back, mechanically attached through return A-2 - Polycarbonate backs NO visible fasteners A-2a - Solid back, NO visible fasteners B-1 - Diaphrams with tape mount B-2 - Solid back with tape mount C-1 - Projection bracket, mechanically attached through return C-2 - Projection bracket, NO visible fasteners

C-3 - Projection bracket, tube support – double line neon, mechanically mounted C-4 - Projection bracket, tube support – single line neon, mechanically mounted D-1 - Center stud mount, tube support – double line neon D-2 - Center stud mount, tube support – single line neon E-1 - Keyhole mount tube support – double line neon E-2 - Keyhole mount tube support – single line neon E-3 - Keyhole mount, hollow