4 Pack Pureflow Outdoor Survival Emergency Water Filter Straw Orange • Set of 4 individually sealed water filter straws • Filters up to 5000 Liters (1320 gallons) per straw • Flow rate: 550ml/min • Chemical-free filtration • BPA-free materials • 5-year shelf life • Includes lanyard and extension pipe connection capability • Can connect to standard water bottles or water bags
