Pentek C1 Carbon Water Filters (9.75" x 2.5") C Series cartridges offer an economical solution for all your general purpose water filtration needs. Constructed of a carbon-impregnated cellulose media, these dual-purpose cartridges filter out fine sediment particles and reduce unwanted taste, odor, and chlorine taste & odor from your tap water. A polyester reinforcement backing and external netting provide additional strength and dirt-loading capacity. Economic solution for basic chlorine reductionﾠ Both chlorine and sediment reduction High flow rates possible due to low initial pressure drop Good dirt-holding capacity General purpose taste & odor reduction for residential chlorinated water supplies Polishing filter for process or closed-loop streams The C1 is Tested and Certified by NSF International to NSF/ANSI Standard 42 for material requirements only. Materials of construction Filter Media End Caps Netting Core Reinforcement Backing Gasket Temperature Rating (C8) Temperature Rating (C1, C2, C1-20) PAC Impregnated Cellulose Polypropylene (C8) Vinyl Plastisol (C1 and C2) Polyethylene Polypropylene Polyester (C8) Cellulose Polyester (C1 and C2) Buna-N 40–145ﾺF (4.4–62.8ﾺC) 40–125ﾺF (4.4–51.7ﾺC) Materials of construction: Filter Media:ﾠPAC Impregnated CelluloseEnd Caps:ﾠPolypropylene (C8)Vinyl Plastisol (C1 and C2)Netting:ﾠPolyethyleneCore:ﾠPolypropyleneReinforcement Backing:ﾠPolyester (C8)Cellulose Polyester (C1 and C2)Gasket:ﾠBuna-NTemperature Rating (C1, C2, C1-20):ﾠ40–125ﾺF (4.4–51.7ﾺC)