Never drips, never clogs, always works. No more problems or costly repairs. Guaranteed for life. Assists Maintenance Staff: New pump and delivery tube with every refill eliminates costly repairs and replacement parts. No more unsightly soap drips. Reduces labor to change cartridge, with up to 1000 hand washes per refill (with 800ml bottle) and 2000 hand washes per refill (with 1600ml bottle).