If you do have chloramines in your water we suggest our Catalytic Carbon Upgrade

The ports openings require a 3/8" fitting

This model is specifically designed to provide absolutely pure

Weight without case: 56

(always consult your instruction manual if you have any questions)

4 Pack Filters Catalytic Carbon Upgrade ::5 Micron Carbon Block If you do have chloramines4 Pack This replacement filter pack is for all 10' standard size residential five stage R. O. systems. 1) sediment, 2) carbon blocks and a final taste and odor reduction filter. *Upgrading to a Catalytic Carbon stage removes on average 5 times more Chloramines than any carbon block on the market (including the ones specifically designed to "bust" chloramines). The option above adds Catalytic Carbon cartridge in place of 5 micron carbon block. This