On Walmart search 1649208968 for replacement filters and 1218317535 for replacement pumps. Made of upgraded stainless steel material, this drinking fountain is BPA free, durable, and is easy to operate and clean. Flowing water encourages pets to drink more, therefore supporting urinary and kidney health through proper hydration. The water-level window lets you observe how much water your pets drink in real time, and lets you see exactly when you need to fill the water bowl. LED lights can be switched on and off freely. Brand new, box opened for pictures, never used or assembled.