This gravity-fed dispenser works with smooth and pumice formulations for easy access to hand cleaning. A separate piece pulls out of the dispenser to replace the top of the 4.5 lb. plastic refill cartridge of GOJO Hand Cleaner (0905-6, 0515-06, 1115-06 and 1135-06). Mount dispenser to a wall. Once properly fitted with the new top that is included in the dispenser, you can simply turn over the cartridge, slide it onto the dispenser and pump for effective cleaning. 2" long screws for mounting are not included.