THE BAG 13 X 25CM- Welded bag ideal for all filtration media. Secure reopenable closure. 180 micron mesh. Resistant to bleach, caustics and acids. The Bag is an innovative filtration bag with a durable welded seam. It has a 180 micron mesh, resists bleach, caustics and acids, and comes with a practical resealable clamp. Available in 13 x 25 cm....