Features: The Copper Bird Bath Cleaner naturally purifies water using a 99.99% pure copper disc, reducing cleaning frequency from every 3 days to 14 days while maintaining freshness. Featuring a three point support design and 0.6mm thickness, this copper plate maximizes water contact area to create protective bronze oxidation film for continuous algae prevention. Ideal for bird enthusiasts and gardeners seeking low maintenance solutions to maintain hygienic bathing environments for feathered visitors. Effortlessly enhances outdoor bird baths in gardens or patios year round, compatible with all fountain pumps and heating systems regardless of seasonal weather changes. This EPA registered copper purification disc eliminates multiple cleaning tools, saving monthly maintenance minutes through its durable passivated that resists corrosion. Specifications: Component:Copper Size:Approx.10cm/3.94inch Package Includes: 2Pcs Bird Bath Copper Disk note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.