High capacity 1,200 mL PURELL® dispenser is ideal for high traffic areas. Large sight window, skylight and crystal clear refill bottles make it easy to check fill status. Converts to a locking dispenser at any time by simply removing the key from inside the dispenser. Patent pending Controlled Collapse refill bottles hold their shape as they empty for a more attractive overall appearance. Removable pump makes recycling easy. SANITARY SEALED? refills are made of durable, recyclable PET material, using 30% less plastic than rigid HDPE bottles.