Sure, drinking from a mountain stream sounds pretty great, but then it’s a long walk back to the couch! Now even the city pup can have cool, clean water any time he wants. The Petmate Replendish Waterer With Microban keeps pets hydrated by offering a full bowl of cool, purified water 24 hours a day. The included charcoal filter removes any waterborne pathogens, and the Microban layer around the bowl keeps harmful bacteria from growing.