Harness the natural, antimicrobial properties of copper in your bird garden using this Erva Copper Bird Bath Purification Disk. Thin, 3.875" diameter, copper disk designed to sit in an existing bird bath. Copper has been proven to eliminate bacteria and viruses, great for disinfecting standing water. Three small nubs on the base of the disk raise it off the bottom of the bath, for water to fully surround it. Compact size makes this item easy to place in a variety of existing baths. The unit maintains its effectiveness, even after the copper changes to verdigris. Copper affects microorganisms on an ionic level, for a lasting source of water purification. Made in the USA. Note: This description refers only to the Erva Bird Bath Purification Disk, Copper. The bath shown is not included. Dimensions: 3.875" dia. x 0.0625"HMounting: place in existing bird bathConstruction: copper
