PolyPure AB cartridges outperform competitive polypropylene fibrous filter cartridges. Its outstanding performance is derived from technically advanced formed pleats providing a more efficient filtration surface. PolyPure AB cartridges have the highest performance polypropylene fibers and are offered in 0.20 µm, 0.45 µm, 1.0 µm, 3.0 µm, 5.0 µm 10.0 µm, 25 µm or 30 µm ratings. These cartridges offer the lowest overall filtration costs due to its high efficiency filtration between cleanings. Filters are readily available in 226 or 222 O-ring fittings with fin or flat configurations in 10”, 20”, 30” and 40” lengths. Filters are constructed with heat sealed polypropylene components with a rigid outer cage or guard. Filters are clean room assembled, factory flushed and packaged with a Certificate of Conformance.