B&G 2600 ULV Flex-A-Lite Fogger Heavy duty fogger. Ideal for pest control, janitorial and sanitation applications 1.5 gallon tank capacity extends from a power-mist (56 micron droplets) to ULV (20-35 micron droplets) output and droplet size can be easily selected with the adjustment knob on the nozzle 18 inch hose directs spray to specific sites