The iFilters LWH-D Dual Stage Whole House Water Filter System (Light Whole House Series) reduces and filters sediment, dirt, sand, silt, rust, scale particles, chlorine taste and odor and has a flow rate of 3 gallons per minute (gpm). This Dual Stage Whole House Water Filter System meets the water demands of many homes and light commercial applications. The clear housings allow for easy viewing of the cartridge performance. The built in Relief button above makes changing filters easy. By filtering all water as it enters your home, you are prolonging the life of all major appliances that use water such as water heaters, dish washers and laundry machines. In addition, they provide great preventive maintenance by protecting sensitive valves and seals within your plumbing system. This Dual Stage Whole House Water Filter System can be installed at the point of entry line to your home or at the point of use next to your washing machine, water heater, or under your kitchen sink. This Dual Stage Whole House Water Filter System is a superior more affordable replacement/alternative to other systems in the market. With filter performance to rival the best systems in the market, this Dual Stage Whole House Water Filter System delivers better filtration at a fraction of the cost. The OEM replacement filters are affordable and the system requires little maintenance. Specs: Designed and assembled in California, built from Certified Components. 3/4" Female NPT Ports. Convenient built in Pressure Relief buttons. 5-micron rated filtration. High quality Polypropylene Sediment filter and premium Coconut Shell granular activated carbon. Average cartridge life: 6 months (incoming water quality may affect cartridge life). Disposable filter cartridges simplify system maintenance. Flow Rate: 3 gpm/11.4 lpm. Replacement Premium high performing filter: IF-P117 & SG5-2510. Included: Premium Mounting Bracket. Housing Wrench. Stainless Steel Mounting Screws. OEM Filters IF-P117 & SG5-2510.