EcoPure EPWURF Main Faucet Sink Replacement Filter COMPATIBLE: Designed for use in the EcoPure EPWUFF Main Faucet Undersink Water Filtration System 6-MONTH FILTER LIFE: For best filtration results, filters should be replaced every six months, as recommended GREAT PROTECTION: NSF certified to reduce many contaminants commonly found in drinking water, including sediment, and chlorine taste & odor HASSLE-FREE: This inline filtration system easily installs under your sink in less than 30 minutes with no additional faucet required. Plus, its encapsulated filter design means water filter changes are quick and mess-free. No tools required. No need to shut off water supply. No touching dirty filters HELPFUL: Want filter-change reminders? Text EcoPure to 444999 to sign up. Questions? Our lifetime technical support staff is availablecall the EcoPure helpline at (800) 693-1138 or visit ecopure