We can craft a wide assortment of lighting louvers. Here are some of our most popular:

48 x 9 6x 1/8   K-12 Prismatic
23 3/4 x 47 3/4 x .095   Prismatic
     
23 3/4 x 47 3/4 x 3/8" thick   White Egg Crate
Squares are 1/2 x 1/2    
     
23 3/4 x 47 3/4 x 3/8" thick   Silver Parabolic
Squares are 1/2 x 1/2    
     
48 x 96 x 1/8"   #2447 White Acrylic
     
Translucent Acrylic    
     
Translucent White Coroplast    
52 x 120    
Any of these sheets can be cut to your specifications.
     

All dimensions specified are in inches.