Replacement Filter Kit for ISOTwist 4-Stage or 5-Stage Reverse Osmosis Water Purifier
FK-113 annual filter kit for IsoTwist 5-Stage Model includes 1 each of the following;
- Stage 1 – ISOTwist Sediment Filter (TF-4113) – 1/4-turn 5-micron poly-spun cartridge
- Stage 2 – ISOTwist Carbon GAC Filter (TF-4114) – 1/4-turn 10-micron granular activated carbon filter
- Stage 3 – ISOTwist Carbon Block Filter (TF-4115) – 1/4-turn 5-micron carbon block filter
- Stage 5 – ISOTwist Carbon Block Filter (TF-4115) – 1/4-turn 5-micron carbon block filter
FK-112 annual filter kit for IsoTwist 4-Stage Model annual filter kit includes 1 each of the following;
- Stage 1 – ISOTwist Sediment Filter (TF-4113) – 1/4-turn 5-micron poly-spun cartridge
- Stage 2 – ISOTwist Carbon Block Filter (TF-4115) – 1/4-turn 5-micron carbon block filter
- Stage 4 – ISOTwist Carbon Block Filter (TF-4115) – 1/4-turn 5-micron carbon block filter
Replace all filters every 12 months.
> > RO Membrane sold separately and can be found here < <
For use in the 4-Stage and 5-Stage ISOTwist Reverse Osmosis Water Purifier Systems