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RO Pure Plus VOC 4 Pack Filter Kit

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RO Pure Plus Push Button VOC 4-Pack Filter Kit with Membrane, compatible with RO Pure Plus, and Zero Pure Plus systems

Special Price $95.99 Sale Price $143.00

This RO Pure Plus water filter kit provides a complete set of filters for the Four Stage RO Pure Plus or Zero Pure Plus reverse osmosis system. This kit includes: One 5-micron sediment pre-filter (WP105311) that traps sediment and other particulate matter like dirt, silt and rust which affect the taste and appearance of your water. One 5-micron carbon pre-filter (WP105351) which helps ensure that chlorine and other materials that cause bad taste and odor are greatly reduced. One - 50 GPD membrane WP105331) to reduce the TDS and other contaminants like chromium, arsenic, copper, lead and cysts. One 1-micron VOC (Volatile Organic Chemical) carbon post-filter (WP105381). The drinking water enters the VOC post-filter after the water storage tank to remove harmful VOCs like atrazine, benzene, 2,4-D, lindane and others. It also functions as a final polishing filter. This is everything needed for crystal clear, great tasting, drinking water.



  • One - 5 Micron Sediment Filter (WP105311) - Reduces dirt, silt and rust which affect the taste and appearance of your water.
  • One - 5 Micron Carbon Pre-Filter (WP105351) - Made of high quality activated carbon. It reduces chlorine taste and odors, also conditions the water before it is treated by the reverse osmosis membrane.
  • One - 1 Micron VOC (Volatile Organic Compound) Carbon Filter (WP105381) - Premium high capacity carbon block formulated specifically for the reduction of VOC'S including Herbicides, Pesticides, TTHM, DPB and more.
  • One - 50 GPD Membrane (WP105331) - This semi permeable membrane reduces a wide range of contaminants such as Arsenic, Lead, Nitrates, Percholate, Chromium, Copper, Dissolved Solids as well as Cysts including Giardia and Cryptosporidium.


Your Filters life my vary based upon local water conditions or use patterns. Recommended replacement of sediment and carbon pre-filters every 6 months, VOC carbon filter once a year, and the membrane every 2 to 5 years



  • Designed for use with RO Pure (WP531411, WP531407) RO Pure Plus and Zero Pure Plus (WP531417, WP531517) reverse osmosis systems
  • Compatible with RO Pure (WP531411, WP531407)
  • Easily change out filters with a push button release
  • Four stages of filtration to trap sediment, reduce TDS, VOCs and chlorine taste and odor to provide clean drinking water


California Prop 65 Warning CALIFORNIA PROP 65 WARNING: This product can expose you to chemicals including 1,3-Butadiene, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to



Caution - This product will NOT fit the Watts 1/4 Turn KWIK Change Filter System shown below.


Membrane Certifications

  • Reduction Claims Validated for this unit by WQA
  • Certified to NSF/ANSI 372 Lead Free
  • Certified to NSF/ANSI 58 Certified Reverse Osmosis Units
  • Certified by WQA