Erva Bird Bath Purification Disks, Copper, Pack of 4

Keep 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 disk ensure it does not sit on the base of your bowl, and allow water to circulate fully around it.
• Compact size makes these items easy to place in existing baths with a variety of shapes and dimensions.
• Each circle maintains its effectiveness for a considerable time, even after the copper changes to verdigris.
• Made in the USA.

Note: This case pack contains 4 of the Erva Bird Bath Purification Disks, Copper.

Dimensions: 3.875" dia. x 0.0625"H each
Mounting: place in existing bird baths
Construction: copper