• Contains 5 filters - 2 sediment pre-filters, 2 carbon pre-filters, 1 50 GPD membrane & 1 VOC carbon post filter compatible with RO Pure & Pure Plus systems (not Kwik Change)..
• Sediment pre-filter traps silt, dirt & rust; carbon pre-filter reduces chlorine taste & odor before reverse osmosis ..
• 50 GPD membrane reduces TDS, chromium, arsenic, copper, lead & other contaminants..
• VOC carbon post filter specially formulated to reduce VOCs like MTBE's, atrazine, benzene & more..
• Easy push button release allows quick & easy filter replacement without shutting water off..

Watts Premier WP531161 RO Pure Plus Reverse Osmosis Water Filter Replacement Kit, Multi, 6 Pack Watts Premier RO Pure Plus Reverse Osmosis Water Filter Replacement Kit provides a complete replacement supply of filters for your RO Pure and Pure Plus reverse osmosis systems. The VOC post-carbon filter (WP105381) is a premium high capacity carbon block filter formulated specifically for the reduction of VOCs like MTBE's, atrazine, benzene, 2,4-D, and lindane. Why use a VOC filter? It is estimated that VOCs are present in one-fifth of the nation's water supplies. These water contaminants can enter ground water from a variety of sources including localized use of oline or oil spills, leaking underground fuel tanks, septic system cleaners, and s used in the dry-cleaning industry. This replacement filter kits includes: two WP105311 - 11" sediment pre-filter (red), two WP105351 - 11" carbon pre-filter (yellow), one 105331 - 11" 50 GPD membrane (green), and oneWP105381- 11" VOC post-carbon filter (silver/gold). Premier RO-Pure Plus filters change out with a push button release and will not fit Watts Kwik Change RO units, that requires a 1/4" turn. This 5 pack of filters has the perfect a of filters in order to help you maintain crystal, clear, great tasting drinking water with your Watts Premier RO Pure / Pure Plus Water filtration system. It is recommended to change our your sediment and pre-carbon filters every 6 months. Your membrane every 2 to 5 years depending upon the quality of your incoming water supply and usage. The VOC carbon filter should be replaced every 12 months. This 6 pack replacement filter kit only works with the RO Pure Plus and Zero Pure Plus Reverse Osmosis System. It will not fit the Watts 1/4 Turn Kiwk Change (WQC4RO13) Reverse Osmosis System. This 6-Pack of filters has the perfect a of filters in order to help you maintain crystal, clear, great tasting drinking water with your Watts Premier RO Pure Plus and Zero Pure Plus Water Filtration Systems. It is recommended to change our your Sediment and Carbon Pre-Filters every 6 months. Your membrane every 2 to 5 years depending upon the quality of your incoming water supply and usage. The VOC Carbon Post-Filter should be replaced every 12 months. Watts Premier RO Pure Plus VOC Filter, WP105381 Watts Premier WP105381 RO Pure Plus VOC Filter is designed for use with Watts Premier RO-Pure Plus, Zero Pure Plus, and RO Pure systems. It is a premium high capacity carbon block filter formulated specifically for the reduction of VOC'S including icides, pesticides, TTHM, DPB and more. Flow rate is .05 GPM. The recommended filter change is once a year, although filter life may vary based upon local water conditions or use patterns. NOTE: This product will NOT fit the Watts 1/4 Turn KWIK Change Filter System.