Profile: Capitol Lighting Plastics, Inc. is a manufacturer and distributor of replacement lighting diffusers, lenses & louvers. Our product line includes lamps guard, wrap diffusers, wire guard and gasketed enclosures. Our parabolic louver is designed to fit fluorescent lighting fixtures. Our broad-line aluminum cross baffles are designed for applications requiring linear elements such as corridors and perimeter lighting. Our parabolic cross baffles are ideal for perimeter and linear application & it creates asymmetrical lighting pattern which is effective in wall wash lighting application.