Haws 7500 Portable Gravity Fed Eyewash is ideal for remote locations. Using gravity to supply a continuous flow of clean water to injured personnel for a full 15 minutes at .4 gpm (1.5 L), this model is a reliable source for safety. Recognizing the 7500's full patterned flushing feature, those working in remote areas can't help but feel confident with this piece of emergency equipment day after day.