This hand dispensing pump works perfectly on most 5 gallon containers, to distribute the right amount of product, without any mess. It is designed to work with any standard 1 ½ inch (38 mm) spout. Built with strong, durable plastic, this heavy duty pump is compatible with any liquid or gel products, such as laundry detergent, dishwashing soap, lotion, shampoo, conditioner and more. Equipped with precision measuring, one pump dispenses 1 fluid ounce (30 ccs) per full stroke, to make sure you get the right amount, every time. To prevent leaks and mess, there are 2 siphone stops on the pump, so you get a clean, waste free distribution. Single pumps available, or in packages of 3, 6, 12, or 200.