Keep your health and hydration in mind with Aquasana’s Clean Water Bottle, which instantly transforms ordinary tap water into delicious, filtered water as you sip. This powerful water bottle is certified to NSF standards to remove 99% of lead, bacteria, chlorine, cryptosporidium, and giardia. The Clean Water Bottle is also made with insulated stainless steel that is designed to keep water cold for up to 24 hours. Just one filter replaces 600+ plastic bottles.