The TPHD Low-Profile Drain Valve is a high-quality product designed for air tanks. Made in the USA, this drain valve features a 1/4 inch NPT connection. Its low-profile design ensures easy installation and maintenance. With its durable construction, this drain valve offers reliable performance and long-lasting functionality. It effectively drains excess moisture from air tanks, preventing corrosion and extending the lifespan of your equipment. Practical and efficient, the TPHD Low-Profile Drain Valve is a must-have for any air tank system.