The PureValue 4 Stage Reverse Osmosis System 4EZ50 is a reliable under-sink reverse osmosis system designed to provide clean, great-tasting drinking water for residential applications. Manufactured in the USA and built with quality Pentair components, the 4EZ50 combines multi-stage filtration, dependable RO performance, and compact installation for everyday drinking water treatment. Key Features • Made in the USA• 4-stage reverse osmosis filtration system• 50 GPD Pentair reverse osmosis membrane• NSF-certified 3.2 gallon storage tank• Sediment and carbon prefiltration• Automatic shut-off valve included• Compact under-sink installation design• 2-year manufacturer warranty Advanced 4-Stage Filtration The PureValue 4EZ50 uses a multi-stage filtration process designed to help reduce sediment, chlorine, taste, odor, and dissolved contaminants for cleaner, fresher-tasting water. Filtration stages include: • 5-micron sediment filter• Two activated carbon cartridges• 2" × 10" GAC post filter• 50 GPD Pentair reverse osmosis membrane Reliable Drinking Water Performance The included Pentair RO membrane is rated for: • 50 gallons per day (GPD) This system is ideal for providing purified water for: • Drinking• Cooking• Coffee and tea• Ice makers Quality Components Included The system includes several installation and operational components designed for reliable everyday use, including: • Automatic shut-off valve• Tank ball valve• Drain connector• NSF-certified 3.2 gallon storage tank Compact Under-Sink Design The compact configuration fits easily beneath most kitchen sinks while providing convenient access to purified drinking water. The system uses: • 1/4" tubing from tank to faucet Specifications • Product Number: R/O PUREVALUE 4EZ50• System Type: Under Sink Reverse Osmosis System• Filtration Stages: 4• Membrane Capacity: 50 GPD• Membrane Brand: Pentair• Storage Tank Capacity: NSF 3.2 Gallon Tank• Tubing Size: 1/4" from tank to faucet• Warranty: 2 Years Additional Information • Product brochure available for download• Installation manual available for download