To Schedule a Free Estimate or to Place an Order Call 602-396-5566 or

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IsoTwist Reverse Osmosis Filter Kit


Replacement filters for the IsoTwist 5 Stage Reverse Osmosis Water System.


5 micron sediment 1/4 turn Twist-On cartridge TF-4113

Carbon Block 1/4 turn Twist-On cartridge (2 per) TF-4115

GAC 1/4 turn Twist-On cartridge (for 5-stage option) TF-4114


Membrane not included

IsoTwist Reverse Osmosis Filter Kit

  • 5 Stage IsoTwist Filter Kit - $89.99


    To Order Call 602-396-5566 or via Contact Form

Complete Water Systems LLC is family owned & operated.  Providing a complete array of Whole Home Water Treatment Products (Reverse Osmosis systems / Water Softeners / Whole Home Filtration / Salt Free Conditioners / Bacteria Removal UV Systems and more).

We provide the Highest Quality Components such as Clack - Fleck - Pentair - Pentek - Ultima - Vortech- Hydronix - Vertex and much more


Offering Sales – Service – Maintenance – Parts – Filters

Serving Phoenix Arizona and all of Maricopa County

Licensed / Bonded / Insured ROC# 330440

Complete Water Systems LLC 2333 W. Northern Ave. Suite 4, Phoenix, AZ 85021 Tel: 602-396-5566  Map & Directions

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