The white pump dispensers fit most 1 gallon bottles. The white gallon pumps dispense 1 oz of product per stroke. These dispensing pumps are great for dispensing products such as lotions, soaps, and cleaning products. Fits gallon bottles for most shampoo, conditioners, lotions such as. Nioxin, American Crew, Matrix, TIGI, Nexxus, Sexy Hair, Paul Mitchell, Hempz, Biotone and more