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Hydrotech Compatible 3 Stage RO System Replacement Filter Kit with Carbon Block Pre/Postfilters

Part Number: HYDRO-3STGCL
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The Hydrotech Compatible 3 Stage RO System Replacement Filter Kit with Dual Purpose Pre/Postfilters is designed for Hydrotech three stage reverse osmosis systems with chlorinated feed water. The filter kit includes (2) HYD-CBHT Carbon Block Pre/Postfilters. The HYD-CBHT cartridges filter sediment, dirt and rust particulate down to 5 microns. The carbon block media reduces bad tastes and odor in addition to chlorine which can damage your RO membrane. In order to keep your RO system operating at full capacity, it is necessary to change your filter cartridges every 6 months.

  • Includes (2) dual-purpose HYD-CBHT Carbon Block Pre/Postfilters
  • Fully compatible with Hydrotech three stage RO systems
  • Removes sediment, dirt & rust down to 5 microns
  • For chlorinated water supplies
  • Carbon block for CTO removal
  • Cost effective
  • For HT 101, HT 102, and HT 123 series RO systems with chlorinated water supplies
  • Replace every 6 months, or as needed
Selecting the correct membrane for your Hydrotech reverse osmosis system:
Hydrotech reverse osmosis membranes are available in thin film composite (TFC) or cellulose triacetate (CTA) and a number of different permeate flow rates. The easiest way to determine which membrane is right for your system is to match the color of the tape band wrapped around the membrane. TFC membranes will have a yellow or green wrap, along with the colored tape to identify the permeate flow rate. CTA membranes will have a blue wrap, along with the colored tape. Use the chart below to select the correct membrane.

Description Permeate
Flow Rate
Tape Color
33001071 Hydrotech TFC RO Membrane 9 gpd Red
41400004 Hydrotech TFC RO Membrane 15 gpd Yellow/Green
33001068 Hydrotech TFC RO Membrane 25 gpd Black
41400006 Hydrotech TFC RO Membrane 35 gpd Purple/Green
33001033 Hydrotech TFC RO Membrane 50 gpd White
33001056 Hydrotech TFC RO Membrane 75 gpd Blue
41400001 Hydrotech CTA RO Membrane 9 gpd Red
41400002 Hydrotech CTA RO Membrane 15 gpd Yellow
California residents Prop 65 Warning
This product contains materials known to the State of California to cause cancer and birth defects or other reproductive harm. www.p65warnings.ca.gov