The Neo-Pure RO Pure Replacement Six Month Prefilter Kit provides a six month supply of prefilters for your RO Pure RO-4 reverse osmosis system. This kit includes the sediment and carbon prefilters.
Kit includes:

• (1) Neo-Pure Sediment Prefilter for Watts Premier RO Pure 105311: Sediment Filter traps sediment and other particles such as dirt, silt, and rust which can affect the taste and appearance of your water. This filter is designed to be changed every 6 months

• (1) Neo-Pure RO-Pure Carbon Pre-Filter Replacement For Watts Premier 105351:   It is made of high quality active carbon to enhance the flavor and taste of your water, and remove chlorine. This filter also conditions the water so it is prepared to be treated by an RO membrane.
  

Product Note: These filters will NOT fit the Watts 1/4 turn Kwik Change Reverse Osmosis System.