Polypropylene Pleated Cartridges without Cage possess optimum dirt holding capacity and can resist bacterial attack. These Polypropylene Pleated Cartridges are made using quality grade polypropylene media. These Polypropylene Pleated Cartridges have high porosity that ensures high flow rates. These Polypropylene Pleated Cartridges without Cage provide nominal 1,5,10 and 30 - micron filtration and are highly effective at reducing medium or fine particles.