This lighting is not only the perfect replacement for outdated, yellowing lighting fixtures, but also the ideal choice to bring a new glow to your space. Its unique design of white metal ladder baffles cleverly reflect the light of the bulb, creating a soft and balanced lighting atmosphere for your room, completely saying goodbye to glare and visual fatigue, so that the eyes enjoy unprecedented comfort and relaxation. Designed for standard 4 in. recessed tanks and ceiling lighting fixtures, this light fits perfectly into retrofit recessed enclosures such as Halo/Juno without requiring complicated installation. Unlike the yellowing plastic trim on the market, we use high-quality metal structure to ensure that the lighting is durable and timeless, cleverly covering the wall defects, and improving the overall decoration style. Strong compatibility, whether it is common PAR16, PAR20, BR20 bulbs, or halogen lamps of the same size, incandescent lamps and LED bulbs, can be seamlessly connected, so that you can enjoy beautiful lighting at the same time, but also by simple replacement of bulbs, greatly reduce lighting maintenance costs, to achieve energy saving and environmental protection life concept. The maximum inner diameter is 3.5 in. the top Dia is 2.68 inches, the ring diameter is 5 in. and the height is 1.89 in. ensuring that the perfect match with your lighting jar will make every corner of your home glow and enjoy a warm and comfortable home life.