BJ ENTERPRISES FNTM 55 Gallon Drum Gauge w/ Alert 10807

The FNTM Drum Gauge displays drum levels from 90% to 5% and delivers an audible alert when the level is below 5%. Note: Designed to easily install on 3/4 in. NPT vent openings on standard metal 55 gallon drums. Features Waterproof, self-contained housing to ensure contaminate-free monitoring AA battery powered, batteries included Touch gauge sides to activate LEDs Displays drum levels from 90% to 5% Alerts when the drum level is below 5% Low battery alert Specifications Series: FNTM Size: 55 gallon drums Installation: Fits in 3/4 in. NPT vent opening Material: PVC and ABS plastic Batteries: AA powered, provided Battery Life: 2+ years