A replacement wick cap is designed for repeated use &
Includes:: antimicrobial material. The wick cap can be used over & over again & can be rinsed with warm water while on the pro-clean reservoir pad. After a time of rinsing the caps they will lose the ability to clean at top performance so a replacement is a better option, with the 4408924 pack you have 5 replacements so no need to worry for a while, replacement caps for the IRobot Braava 380 model.