Product Specifications: Flow Rate: 1.5GPM @ 65psig Product Dimensions: 15.1" X 7.25" (12.25" space needed with the hoses) X 2.52" Capacity: WD-HM Cartridge - Depending on Heavy Metals Levels in your water. WD-S-8K Cartridge - 8,480 Gallons with normal sediment levels. WQA-Certified Woder WD-S-8K Cartridge (2nd stage of this system) is WQA certified to NSF/ANSI 42 for Chlorine taste, odor and NSF/ANSI 372 for lead free compliance as verified and substantiated by test data. Cartridge lifespan: 1 year under warranty. Removal Capabilities: Our Advanced filter removes 99.9% of lead, heavy metals, chlorine, chromium 6, mercury, volatile organic compounds, carcinogens, and other contaminants, turbidity, odor and bad tastes.