Square-shaped trim for overhead lighting in need of finishing trim Satin white; frosted glass Albalite lens gently diffuses light without reducing brightness Designed to fit HALO H-model light fixtures 1T, 1IC, 242, 1F, and 1F277 Uses A, TT, and DTT lamps, depending on the housing; housing and lightbulb not included Torsion Springs pull trim tight to ceiling. Non conductive, non-corrosive polymer trim