Designed for use with Purell TFX Dispensers (sold separately) Kills 99.99% of the most common germs that may cause illness. Helps condition skin with a natural moisturizer. Refill snaps securely into place with audible click and includes a fresh dispensing valve. Sanitary-sealed, collapsible-bottle refill keeps germs out. Purell(R) TFX(TM) Instant Hand Sanitizer Foam Refills, 1200ml, Carton Of 2 is one of many Soap & Hand Cleaners available through Office Depot. Made by Purell.