The Bag™ is the perfect choice for superior filtration with unbeatable durability. Its welded seams are resilient to bleach, caustics and acids, so you don't have to worry about degradation over time. This innovative filter bag also provides a resealable locking closure and a 180-micron mesh, ensuring total control over your filtration product. Enjoy a 5" x 9.5" size for all your needs, plus an extended lifetime! With The Bag™, you're getting the perfect combination of convenience and reliability.