NSF 42 CertifiedHigh-performance sediment, dirt and rust filter cartridgesManufactured from 100% melt-blown polypropylene (surfactant-free, binder-free, and adhesive-free)VIQUA, 20" Sediment Filter$50.00PriceMicron Rating, Flow Rate*SelectQuantity*Add to CartDocumentationSpec. Sheet CMB120-HF Spec. Sheet CMB520-HF