Using this Bobrick foam soap dispenser is a breeze. Simply give it a gentle push with less than 5lb of force, and the soap will dispense. When it's time to refill, you can use either foam soap cartridges or bulk-fill foam soaps. Just open the hinged housing with the key, and refill through the window. For maintenance, wipe the satin-finish stainless - steel exterior regularly with a soft cloth to keep it looking great. Avoid using abrasive cleaners as they may damage the finish. Also, make sure to keep the dispenser in a dry place to prevent rusting.