The Swagelok SS-8C-1 Stainless Steel Poppet Check Valve is a high-quality valve fitting designed for use in hydraulic, pneumatic, and plumbing systems. Made in the United States by the reputable brand Swagelok, this 1/2" tube fitting is capable of withstanding up to 1 PSIG of pressure. The poppet design ensures reliable flow control and prevents backflow, making it a durable and efficient solution for various industrial applications.