Hydronix Polyester Pleated Filter 4.5" x 20", 10m

Polyester Pleated Cartridges are manufactured from durable polyester to provide you with a superior pleated around a Polypropylene core for added strength and the ends are immersed in a thermosetting Vinyl Plastisol which fuses the three components together forming a unified end cap and gasket. Bacteria and chemical resistant and provide great dirt holding capacity to extend the time between cartridge change outs. NSF/ANSI Standard 42 for material requirements only and NSF/ANSI/CAN 61, NSF/ANSI 372