Professional Mild Foam Soap Refill Is Made With A Mild Foam Soap Formula For General Use In Your Purell Cx Dispenser. It Is Dermatologist-Tested To Be Mild And Ecologo Certified For Its Reduced Environmental Impact. Sanitary Sealed Refill Helps Prevent Contamination. Each 2.3 Liter Refill Comes With A Fresh Dispensing Valve.