• Kills 99.99 % of most common germs that may be harmful. Can be placed anywhere it is needed. Small footprint allows for multiple mounting options. Securely attaches to surfaces with adhesive strips. Exposed refill for at-a-glance monitoring of product level. Refills hold almost twice as much product as standard 236 ml Purell pump bottle. Fresh dispensing valve with each refill. 450 ml.