The LifeStraw Peak Series Gravity Purifier with Virus Removal is a portable filter system that utilizes Ultra-Fine Membrane filtration technology to effectively remove viruses from water. With a filter life of 18,000 liters, this system is designed for long-lasting and reliable filtration on the go. The sleek blue color and compact design make it a convenient choice for camping, hiking, and outdoor adventures, ensuring clean and safe drinking water in remote locations. The new LSPSPU8BWW model is a top choice for those seeking a high-quality water purification solution.