This classic shape polycarbonate or acrylic acorn is securely, joined to a high tech Type II or Type V refractor. Instead of being merely glued together, the two components are joined with a spun aluminum connector fastened with positive acting rivets and sealed with silicone for a water resistant fit. Optional decorative ring available. This fixture measures 16" x 42" including our 508 fitter. Order A852 for a Type II or A855 for a Type V refractor. A852SR is the solid roof.