Erva Bird Bath Purification Disks, Copper, Pack of 4 garden trellis wood seal the house and prevent

seal the house and prevent aggressive squatter birds from taking over your colony

A plastic plug on the base of the unit removes from the center drainage hole

Provide your favorite songbirds with a serene shelter using the Heartwood Weathered White Graceland Bird House

Pastel green body is lovely to showcase

Erva Bird Bath Purification Disks, Copper, Pack of 4 garden trellis wood seal the house and preventKeep 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