Erva Bird Bath Purification Disks, Copper, Pack of 4 rustic yard decor and the recycled plastic body

and the recycled plastic body remains durable for many seasons

while the cedar construction provides durability

5"H vessels

Using a cage around a tube feeder often keeps squirrels and large birds from reaching seed

Erva Bird Bath Purification Disks, Copper, Pack of 4 rustic yard decor and the recycled plastic bodyKeep the water in several bird baths free of algae and microbes with these 4 Erva Copper Bird Bath Purification Disks. Package of 4 thin, 3. 875" diameter copper disks, each designed to sit in an existing bird bath. Copper has been proven to eliminate bacteria and viruses, great for disinfecting standing water. This metal affects microorganisms on an ionic level, for a lasting source of water purification. Three small nubs on the underside of each