Vertex Pure Water Machine 3C-4.0 Under Sink Reverse Osmosis System


The 3C-4.0 has a 75 Gallon Per Day capacity making it ideal for large residential or light commercial applications.


Weight 28.000 lbs
Dimensions 15 × 7 × 15 in


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This system refills the tank faster with its 75GPD membrane. The 3/8” tubing provides 50% more water flow at the faucet. This system has 3-filter canisters for easier and faster replacement of filters. No connectors to remove.The post filter is a larger capacity coconut shell activated carbon replaceable filter which lasts longer. Makes better tasting water. The 75 GPD membrane is encapsulated in the housing making it easier to replace. All connections are push-fit fittings which provide ease of assembly. Use for larger homes and offices. Comes complete with connection hardware, faucet, tubing and instruction manual.

Sediment Filter, 5-Micron Polyspun Cartridge, 2 1/2” Dia. X 9 3/4” Long

Activated Carbon Block Filter
5 Micron, 2 1/2” Dia. X 9 3/4” Long

Reverse Osmosis Membrane, Osmonic 75 GPD TFC @ 65 PSI Pressure Differential

Post-Filter, Granular Activated Carbon, 2.5 ” Dia. X 9.75” Canister

4.0 Gallon Plastic Tank (Metal Tank Available), Pre-Pressurized With Butyl Bladder, 2.5 Gal. Water Capacity


  • 3 Filter Canisters
  • Post Filter in Third Canister
  • 75-GPD Encapsulated Membrane
  • All Quick Connect Fittings
  • 3/8″ tubing to tank and faucet

Conditions Of Use:

  • Water Must be microbiologically safe
  • Temperature, 40 -100 degrees F
  • pH Range, 3 to 11
  • Feed pressure, 20 to 100 psig
  • Maximum TDS, 1500 PPM
  • Turbidity, less than 1.0 NTU

Certified Reduced Contaminants:

  • Arsenic
  • Barium Cadmium Chromium III & VI Copper
  • Lead
  • Nitrate
  • Nitrite
  • Selenium
  • Radium 226 & 228 Fluoride
  • Turbidity Cysts TDS
  • Tested for structural integrity, chemical extraction and reduction of contaminants

The reverse osmosis membrane MH-4206 should be changed every year.

We recommend changing the filters once every six months with the replacement filter kit FK-104