The product is a set of three Viega NSF 61-372 1" x 1" ProPress Bronze Adapters. These adapters are designed for use in plumbing and hydraulics systems,m. Made of high-quality bronze material, these adapters are durable and reliable for various industrial applications. The brand Viega is known for producing top-notch fittings and adapters, ensuring a secure and efficient connection in your plumbing system.