Astral 3 layer Water Tanks, feature an innovative inner layer infused with active copper particles. This groundbreaking technology ensures that your water check here stays fresh, clean, and free from harmful microbes at all times. Unlike conventional tanks, our tanks incorporate active copper fortification within the polymer system, preventing excessive copper leaching into the human body, while maintaining the efficacy of the anti-viral and anti-microbial copper shield throughout its lifespan.