APEC Water Systems CS-2500 Ultra High Capacity Undersink Water Filtration System Premium Quality US Made Filter Supreme quality  designed, engineered and assembled in USA with US made filter, highest trustful filtration capacity of similar products. Removing lead, chlorine, heavy metals, taste, odor and chemicals while leaving various minerals, like calcium, potassium, and magnesium. Bacteriostatic for the reduction of heterotropic bacteria. Trouble-Free Installation - Comes With Standard 3/8" Hoses That Connect Directly To The Existing Cold Water Valve And Faucet Stem, Requiring No Holes To Drill. Quick Twist Connection Design For Easy Filter Replacement Provide clean and purified water from your existing kitchen faucet therefore do not need a separate faucet or inlet valve. Good for cooking, washing fruits & vegs and cleaning dishes without watermarks.