The Watts Premier RO Pure Replacement Water Filter Kit provides a complete replacement supply of filters for your RO Pure RO-4 reverse osmosis system. This kit includes one of the following replacement filters: 1 of F105311-...

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The Watts Premier RO Pure Replacement Water Filter Kit provides a complete replacement supply of filters for your RO Pure RO-4 reverse osmosis system. This kit includes one of the following replacement filters: 1 of F105311- 11" Sediment Prefilter (Red) 1 of F105351- 11" Carbon Prefilter (Orange) 1 of F105331- 11" 50 god Membrane (Green) 1 of F105341- 11" Carbon Post filter (Blue) PLEASE READ: Watts Premier RO-Pure Filters change out at the push of a button. These filter will not fit Watts Kwik Change RO units. which requires a 1/4" Turn.

  • COMPREHENSIVE FILTER REPLACEMENT KIT: Say goodbye to unpleasant tastes and odors with the Watts Premier RO Pure 4-Pack Filter Kit, a complete set of water filters for your under sink RO Pure (WP531411, WP531407) or Zero/Pure Plus (WP531517, WP531417). The included 3 filters and membrane are tailored for specific filtration purposes, collectively ensuring crystal clear, great-tasting drinking water every time. Please note this kit will not fit the Watts 1/4 Turn Kwik-Change RO System.
  • HIGHLY EFFECTIVE FILTRATION: This kit includes one 5-Micron Sediment Filter (WP105311) for reducing dirt, silt, and rust that affects the taste and appearance of your water; one 5-Micron Activated Carbon Pre-Filter (WP105351) and one Post-Filter (WP105341) for conditioning the water and reducing chlorine taste and odors; one 50 GDP Membrane (WP105331) for reducing TDS and contaminants like arsenic, lead, nitrates, percolate, and copper.
  • SMART DESIGN: Each of these four top-performing 11-inch filters is denoted by a different color for easy identification: red for sediment, yellow for pre-filter, blue for post-filter, and green for membrane. They also feature a push button release that allows for hassle-free replacement without shutting off the water source. Easily change out filters with a quick push of a button - no special tools required!
  • QUALITY CONSTRUCTION: These durable filters are crafted from high-quality materials for maximum filtration. Filter life may vary based upon local water conditions or use patterns, but we recommend replacing sediment and carbon pre-filters every 6 months, the carbon post-filter once a year, and the membrane every 2 to 5 years.
  • THE PREMIER DIFFERENCE: Since our founding in 1989, Premier has been dedicated to the design, development, and marketing of high-quality water filtration systems that exceed industry standards. Following our Watts Water Technologies in 2001, our audience and influence have only expanded, solidifying Watts Premier as a trusted leader in the industry.

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