3M LifeASSURE BLA Series Filter Cartridges are nylon multi-zone, microporous membrane filters designed for food and beverage filtration or as final filters in non-critical applications. They are suitable for a wide range of pre-filtration and clarification beverage applications, helping to protect and extend the service life of 3M’s LifeASSURE BA, BNA and BDA Series Filter Cartridges.