The Jerguson Gage & Valve 320x34x17 852371 Gauge Glass V16757-8 is a high-quality gauge glass designed for use in electrical panels and boards. Manufactured by JERGUSON GAGE & VALVE, a trusted brand in the industry, this gauge glass is specifically designed to provide accurate readings and ensure proper functioning of electrical equipment and supplies. Its sturdy construction and precise measurements make it a reliable tool for business and industrial applications.