Zomma Bark Control Device, Mini Bark Control Device Indoor/Outdoor Anti Barking Ultrasonic Dog Bark Control Sonic Bark Deterrents Silencer Stop Barking, Dog Bark Control (Upgraded) Equipped with a replaceable charcoal filter that removes bad tastes and odors from the water, while catching hair and debris to keep pet fountain clean, and water potable. Recommended for cats and small dogs. Fountain measures 6" L (front to back) x 6" W x 5.875" H; bowl measures 2.875" deep. Imported.