Waterdrop 320-Gallon Long-Lasting Water Faucet Filtration System, Faucet Water Filter, Removes Harmful Contaminants Chlorine Metals & Sediments - Fits Standard Faucets 320 GALLONS LONG-LASTING FILTER LIFE: Each faucet filter provides 320 gallons of cleaner water, or 6 months of typical use - thats 3x longer than most faucet filters. SUPERIOR FILTRATION: Highly adsorptive Activated Carbon Fiber (ACF) for efficient bacterial inhibition and contaminants reduction, delivering safer drinking water. FAST&EFFECTIVE: The innovative ACF material features great and fast filtration. You will fill up 4 water bottles (16.9 oz for each) in 1 minute. CONVENIENT: Simple switch lever allows quick switch from quality filtered water to regular tap water, which will prolong the filter life. IMPORTANT: Works with standard faucets. Does not fit pull-out, hand-held, spray style faucets or faucets with sensor. Please verify if our product suits your faucet before purchase per the detailed instructions in product pictures. SATISFACTION GUARANTEE: Our 30-day money-back guarantee and limited one-year warranty against defects in materials and workmanship for your worry-free shopping. SPACE-SAVING: Compact, space-saving designed for an easy fit on any faucet to meet your different needs, like facial cleansing and cooking. EASY: The filtered water faucet adopts leak-proof technology and can be attached to your faucet very easily with the various adapters included. GREAT VALUE: The filter will replace 2,000 plastic bottled water (16.9 oz for each). Protects the environment with little waste on plastic bottles and saves your money. PROFESSIONAL Waterdrop: For years, Waterdrop is committed to elevating your daily life with cleaner and better-tasting water.