standard oA Opal AC RYLIC diffusers 7 perforated metal patterns CL Cloverleaf A1 Angles RD Round SQ Squares Dark Iron modern caps standard with all acrylics. Brass modern caps available upon request. premium co Caramel Onyx FA Faux Alabaster TS Tea Stained ws White Swirl MP Majestic Purple SG Savannah Green SO Sunrise Orange SR Sunset Red BB Bay Blue I NTERIOR GD Gold SV Silver (Cirrus only)