The GE Dual Flow Drinking Water Replacement Filter Set reduces more than 15 contaminants in your drinking water, including chlorine-resistant cysts, lead, select pharmaceuticals, and select VOCs. Includes two replacement filters compatible with the GXK285JBL system and made with "twist and lock" technology" for simple and easy filter installation. Recommended replacement every 6 months or 160 gallons for fresh, filtered water. NSF/ANSI certified. This filter set replaces the GE FQSLF and FQSVF. Dual flow filtration: Water is filtered in parallel flow through advanced filtration filters Includes two filters: Filters fit GXK285JBL, GXK295JNN, GXSL55R, GXSV65R and GNSV70R filtration systems, plus Pfister Clarify LOTA filtration faucets IAMPO Certified - Reduces select pharmaceuticals, select VOCs, lead, chlorine taste and odor and other chemicals Twist and lock design: Simple design provides easy, tool-free, no-mess filter replacement. Feed Water Pressure (psi) - 35-125 psi. Feed Water Temperature - 33-100 F . Filter Capacity - 300.0 gal Six-month filter life: Filter should be replaced every six months for best filtration results