jw pet company clean water silo waterer bird accessory, regular (colors vary) jw pet insight clean water silo waterer: a silo watererer with a difference: when you turn the silo over to put it onto the waterer's base, there is no drip. the patent-pending valve takes care of that for you. it screws into the cage to guaranty a secure fit on horizontal or vertical barred cages. it's very easy to clean. dishwasher safe too!