High-performance sediment, dirt and rust filter cartridge, manufactured from 100% melt-blown polypropylene (surfactant-free, binder-free and adhesive-free). Provides superior filtration efficiency and extended life. Formaldehyde-free and NSF 42 certified. For VIQUA VT1-DWS and VT4-DWS11 systems.

Micron Rating: 5 micron