A circular polarizer filter with a 50% transmission level is available in standard sheet sizes from 8 × 10 to 18 × 24 in. A circular polarizer filter with a 50% transmission level is available in standard sheet sizes from 8 × 10 to 18 × 24 in. In-house laser cutting and waterjet technology can fabricate custom shapes or laminate glass or acrylic with antireflection (AR), anti-glare, and conductive coatings. They are offered in neutral grey with right- or left-handed polarization.American Polarizers Reading, PAwww.apioptics.com Acrylic Sheet, Acrylic Tube, Acrylic Rod, Acrylic Lgp – Kingsign Acrylic,https://www.ksacrylic.com/