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WECO VGRO-36 High Efficiency Reverse Osmosis Drinking Water Filtration System

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  • Premium 5-micron sediment pre-filter eliminates sediment, rust, and other microscopic debris.
  • 5-micron solid carbon block cartridge and 0.5-micron carbon block filter effectively eliminate chlorine, chloramine, unpleasant tastes and odors, as well as pesticides and carcinogenic impurities.
  • Pentair® GRO high-efficiency TFC reverse osmosis membrane removes up to 99% of water contaminants such as lead, nitrate, fluoride, and mercury, even in high TDS water.
  • NSF-certified brushed nickel lead-free faucet ensures safe and reliable water dispensing.
  • Granular activated in-line post-filter polishes the water, delivering crystal-clear perfection.
  • Easy-to-install kit includes a water storage tank and a pure water dispensing faucet.
  • Manufactured and tested in the USA, ensuring high standards of quality and reliability.


The WECO reverse osmosis filtration system also includes a pressurized water storage tank and a brushed nickel designer faucet for dispensing the purified water. WECO reverse osmosis systems use NSF-certified (Standard 61, Section 9) lead-free dispensing faucets. The faucets look attractive, fit into any decor and are certified lead-free to protect you, your family and pets. As the filtration system makes purified water, it fills the storage tank (up to 3 gallons at a time). The storage tank sends purified water to the designer faucet. Your regular sink faucet will provide unfiltered water for washing dishes and cleaning. The designer faucet provides only purified water for drinking, cooking, washing vegetables and pets. You’ll notice an immediate improvement in the taste of coffee, tea, iced drinks, fitness and sports drinks and more!

The WECO filtration system is pre-assembled can be installed with simple hand tools. We recommend installation by a licensed plumber to insure adherence to all local codes. Routine replacement of the filter cartridges is recommended to maintain filter performance. Replacement cartridges are available from WECO.


  • Under-counter in kitchens or bathrooms
  • Office break rooms
  • Health clubs, coffee shops, yoga studios
  • Vacation homes, condominiums, cabins, RVs
  • Lead, fluoride, radon and nitrate concerns
  • Ideal for anyone health-conscious and concerned about drinking water quality

Filter Cartridges

Pentek® WP-5 polypropylene string wound 5-micron pre-filter removes sediment, rust and other microscopic debris.
Pentek® CFB-Plus10 Fibredyne™ 5-micron solid carbon block cartridge filter remove chlorine, bad tastes and odors, pesticides and carcinogenic impurities
Pentek® CBC-10 0.5 micron carbon block filter remove chlorine, chloramine, bad tastes and odors, pesticides and carcinogenic impurities.
Pentair GRO High Efficiency Encapsulated TFC reverse osmosis membrane removes up to 99% of water contaminants like lead, nitrate, fluoride and mercury, even in high TDS water.
Pentek® GS-10RO granular activated in-line post-filter polishes the water to crystal clear perfection.

Pentair® GRO High Recovery Membrane Technology

Pentair's GRO integrates a 100% dry membrane to help maximize its lifespan and provide enhanced performance to the end user. The GRO boasts a 50% recovery rate while maintaining a retrofit-able design for easy integration.


Water Supply Connection uses metPure Universal EZ RO Adapter that fits both 1/2” and 3/8” supply stops.

Use the color coded tubing to make the following connections:

  • The WHITE tubing connects the water supply adapter to the inlet side.
  • The BLUE tubing connects the faucet to the outlet side.
  • The BLACK tubing connects to the drain clamps.
  • The YELLOW tubing connects the storage tank to the inlet side of the postcarbon.

Contaminants Removed

  • Sediment Filter - Up to 99% sediment and particulates (5 microns and higher)
  • Carbon Filter - Up to 99% of chlorine, radon and volatile organic compounds
  • Thin Film Composite Membrane
Sodium 90-95%
Aluminum 93-98%
Magnesium 93-98%
Potassium 90-95%
Iron 2 93-98%
Manganese 2 93-98%
Calcium 93-98%
Copper 94-99%
Silver 93-98%
Zinc 93-98%
Strontium 93-98%
Cadmium 93-98%
Nickel 93-98%
Mercury 93-98%
Radioactivity 93-98%
Chromium-6 94-99%
Chromium-3 94-99%
Lead 94-99%
Chloride 90-95%
Bicarbonate 90-95%
Nitrate3 85-90%
Fluoride 90-97%
Phosphate 93-98%
Chromate 90-95%
Cyanide 90-95%
Sulfate 93-98%
Boron 55-60%
Arsenic + 3 70-80%
Arsenic + 5 94-99%
Selenium 93-98%
Barium 93-98%
Sediment > 99%
Protozoa > 99%
Ameobic- > 99%
Cysts > 99%
Turbidity > 99%
Asbestos > 99%
Bacteria > 99%
Giardia > 99%

*     Source: water quality association,

**   60 psi net pressure and 77° F water temperature

*** Performance depends on condition of feed water

  • Granular Activated Carbon Filter - 99% of chlorine, dissolved gasses, volatile organic compounds,

Specifications & Operating Limits

Max. Filtered Water Flow (gpm) 0.75
Max. Hardness 10 Grains @ 6.9 pH
Max. TDS (ppm) 2000
Automatic Shut-Off Yes
Filter Life

6 Months or 900 gallons for pre-filters

12 Months or 1500 gallons for post filter

24 Months for membrane

Feed Water pH Limits 4-10
Feed Water Pressure (psi) 40 Min - 125 Max.
Feed Water Temperature 40-100 °F
Fittings 1/4" - Push to Connect
Plumbing Connections 1/4" Inlet – 1/4" Outlet
Water Inlet Valve 1/2" & 3/8" NPT ball valve adaptor
Filtered Water Output 36 gal/day
Storage Tank Capacity (gals.) 3.2* (*Theoretical tank capacity. When tested according to NSF/ANSI 58 at 50 PSIG inlet pressure, tank capacity is 2.3 gallons)
Pre/Post Filter Life 1500 Gallons
Color Appearance White
Faucet Color Brushed Nickel
Filter Housing White/Clear
Installation Undercounter Kit Included
Unit Color White
System Mounting Orientation Floor Standing or Wall Mount
Weights & Dimensions
Overall Depth 5.5 in
Overall Height 17.0 in
Overall Width 16.0 in
Tank Dimensions (H X W X D) 16 x 11 x 11 in (smaller tanks available on request)
Approximate Shipping Weight 25.0 lb
Net Weight 23.0 lb
Icemaker Connection Kit IM25EZ (Available at Additional Cost)
Installation Kit Included
Replacement Filters VGRO-SET5-36 (Pre, Post & Membrane)
Replacement Membrane GRO-36
Parts Warranty Limited 1-year
App Filter - Product Type Filtration Reverse Osmosis
More Information
UPC 810388030977
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