Experience the reliability of the NSA NSA10P Portable Bacteriostatic Water Treatment Unit, a must-have for outdoor enthusiasts and emergency preparedness aficionados alike. This compact unit is designed for ease of use and effectiveness, ensuring you have clean, safe drinking water on-the-go or during times of crisis. Featuring a sleek blue color, this vintage NOS (New Old Stock) bottle boasts a pristine appearance, with no custom modifications to detract from its original design. Though its country of manufacture remains unspecified, the product's quality is reflected in its lasting functionality.