The Semler Industries Mini-Bulk Diesel Exhaust Fluid (DEF) modular above-ground storage system is available for use at fleets, commercial locations and retail facilities. The Mini-Bulk is the first of its kind to meet the space restrictions of a standard fuel island and has the smallest footprint of any equal-volume system on the market, according to the company. The unit’s unique-modular design offers in-field expansion from 500 to 2,000 gallons to meet increasing DEF demand. The system can be integrated with any commercial, fleet or retail dispenser currently available, and the clean, elegant design offers ideal advertising space. The Mini-Bulk is designed can be installed in a variety of extreme climate conditions.