Regular DI cartridges shown; requires a filter housing.
(Inline DI cartridges not shown: they are self-contained and do not require a filter housing)

Reverse osmosis systems can remove TDS (total dissolved solids) up to approximately 96% to 98% and higher for distillation systems. De-ionizing (DI) cartridges utilize a premium mixed bed of DI resin and a 5-micron spun bonded polypropylene post sediment element for increased dirt-holding capacity. DI filters should be used where residual dissolved solids (TDS) are unacceptable for certain specialized applications. (Close to 0 ppm of TDS purity is normally achieved if used in conjunction with an RO or distillation system). DI filters are normally used as a polishing filter to remove residual TDS (total dissolved solids) after a Reverse Osmosis or a Softener for ultra pure water close to 0 ppm. When used alone without an RO system, DI cartridges exhaust their capacity very quickly and become very expensive to run.

Models:

DI-10-2.0 Inline
2.0" diam x 10"L
1,700ppm/100 grains/0.5gpm
16.5 cu.in. media
(No housing needed; suitable for residential drinking water RO systems; filter housing extra)

DI-10-2.9
2.9" diam. x 9.8"L
5,200ppm/300 grains/1gpm
49 cu.in. media
(Fits standard 10" housings such as our FH-1; suitable for residential drinking water RO systems; filter housing extra)

DI-20-4.5
4.5" diam. x 20"L
33,800ppm/1,900 grains/3gpm
279 cu.in. media
(Fits 20" BB housings such as our WH-B20 housings)

Click here to order a 10" filter housing for the DI cartridge or Click here to order a 20" Big Blue (BB) filter housing for the DI cartridge(except for in-line DI cartridges which are self-contained and do not need a separate housing).