Limited quantity! Price not negotiable. Because they're important family members, I want to think about their drinking water! This is a water purifier that's gentle on your dog♡ 2-WAY: Water dispenser and manners shower! Usable with commercially available plastic bottles! With the lever switch, it purifies water for drinking and uses tap water for the manners shower, so the cartridge lasts longer. The cartridge replacement目安 is about 60 days. Kuritac Co., Ltd. Stroll Water Purifier & Manners Shower Main unit (with 1 cartridge) x 1 Replacement cartridges x 6 (about 1 year's worth)