The Wells 20177 Adapter Frame is designed to convert a 7-quart round warmer for use with a 4-quart inset. This durable adapter top ensures a secure fit, allowing for versatile food service options. Its robust construction provides stability and reliability, making it an essential accessory for efficient kitchen operations. Ideal for catering and buffet setups, the Wells 20177 enhances your food presentation while maximizing the functionality of your warmer.