Description:? Pentek NCP-10 Carbon Filter Cartridge Specs: Dimensions: 9-3/4" x 2-1/2" (248 mm x 64 mm) Micron Rating (Nominal): 10 Micron Temperature Rating: 40?F to 125?F (4.4? C to 51.7?C) Initial ∆P (psi) @ Flow Rate (gpm): 2 psi @ 3 gpm (0.1 bar @ 11 L/min) Chlorine Taste & Odor Reduction @ Flow Rate (gpm): 225 gallons @ 1 gpm (850 liters @ 3.8 L/min) NOTE: Filtration efficiency and chlorine taste and odor reduction efficiency are reduced at higher flow rates. Chlorine taste and odor reduction based on greater than 50% reduction using 2ppm free chlorine feed concentration at 68?F (20?C) at continuous flow. Culligan NCP-10 Carbon Water Filter Materials of Construction: Filter Media: Pleated Carbon-Impregnated Polyester End Caps: Vinyl Plastisol Netting: Polyethylene Core: Polypropylene