Vertex IsoTwist Annual RO Replacement Filter Kit

Pure n Natural Systems Verified independent store

→

Keep Your IsoTwist System Running Like New. Replace Filters in Minutes Key Benefits Complete annual filter kit for IsoTwist 4- and 5-stage Reverse Osmosis (RO systems) Restores wat er taste and system performance Twist-off cartridges install in minutes—no tools, no mess Protects RO membrane by removing sediment and chlorine Maintains consistent water flow and filtration quality OEM replacement filters for guaranteed fit and performance Simple yearly maintenance—no guesswork Built for Clean Water and Reliable RO Performance Designed for Vertex IsoTwist system owners who rely on consistent, high-quality drinking water. Works well in: Offices and breakrooms with daily water use Commercial kitchens and beverage stations Homes with RO systems for drinking water Facilities following scheduled filter maintenance Locations where water taste and quality matter daily Multi-Stage Filtration System Each kit replaces all pre- and post-filters in your IsoTwist system. 4-Stage System (FK-112 — 3 Filters) Stage 1: Sediment Filter (TF-4113, 5 micron)Removes dirt, rust, and debris Stage 2: Carbon Block Filter (TF-4115, 5 micron)Reduces chlorine, taste, and odor Stage 4: Carbon Block Filter (TF-4115, 5 micron)Final polishing for clean taste 5-Stage System (FK-113 — 4 Filters) Stage 1: Sediment Filter (TF-4113, 5 micron) Stage 2: GAC Carbon Filter (TF-4114, 10 micron) Stage 3: Carbon Block Filter (TF-4115, 5 micron) Stage 5: Carbon Block Filter (TF-4115, 5 micron) Replacement Schedule All filters: Replace every 12 months RO membrane (sold separately): Replace every 24–36 months Optional Accessories IsoTwist RO membrane (MHA-4222, 50 GPD) Individual replacement filters (TF-4113, TF-4114, TF-4115) Why Businesses Choose the Vertex IsoTwist Filter System Fast filter changes reduce maintenance time OEM filters ensure proper system performance No tools or housings required for installation Predictable annual replacement schedule Helps avoid costly system damage from clogged filters Maintains consistent water quality across locations How Many Units Do You Need? Each IsoTwist system serves a single water source or location. 1 system → 1 filter kit per year Examples: Single sink or drinking station → 1 kit/year Office breakroom system → 1 kit/year Multiple systems → 1 kit per system Heavy usage (high volume water use): Replace filters more frequently than 12 months Compare IsoTwist Filter Kits FK-112 (4-Stage Kit) Includes 3 filters For 4-stage IsoTwist systems Simpler filtration setup FK-113 (5-Stage Kit) Includes 4 filters Adds GAC carbon stage for improved odor and chlorine reduction Best for higher water quality demands Show more