The Bag is an innovative heat-sealed filter bag with a long-lasting unstitched seam. Unlike nylon bags and other comparable products, The Bag resists bleaching and rinsing with caustic or acidic products. It will not degrade over time and will easily last for several years. It has an 180 micron mesh and comes with an easy-to-use closure. The Bag is available in a size of 130mm x 250mm, allowing it to easily fit almost all types of filters. It is ideal for all filter media and has an exceptional lifespan