The Large Zip Bag™ is a mesh bag for holding filtration media. It is available in a 48 cm x 43 cm (19” x 17”) size, easily holds 18 liters of filtration media, and it comes with a convenient corrosion-proof zipper. It is ideal for large filtration media, especially biofltration such as Matrix™ and Pond Matrix™.
Sizes: 48 cm x 43 cm (19” x 17”)