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Tier1 US-ST04 Under Counter Smart Tap System

SKU
TIER1-US-ST04
Price $58.99 List Price Price $83.99 Save 29%
Availability: In Stock
  • Tested against NSF 42, NSF 53, and NSF 401
  • Reduces Chlorine taste and odor, Lead, Mercury, and more!
See more product details
The Tier1 US-ST04 undersink system is the perfect addition to your kitchen sink. The easy-to-install system simply hooks up to your cold water line with a water supply adapter (included) and you will be drinking clean, great-tasting water right from your kitchen tap! Don't waste any more money on bottled water, Tier1 offers all the filtration you need with the Tier1 US-ST04 Undersink System. Order today!
Package Qty1
Manufacturer's IdUS-ST04
UPC641945746853
Actual Size (in)19.25 inches (length) x 4.125 inches (width) x 4.5 inches (depth)
Actual Size (cm)50 centimeters (length) x 10.5 centimeters (width) x 11.5 centimeters (depth)
Primary Filter MediaCarbon Block
Filter Life (gallons)651
Filter Life (liters)2464
Micron Rating (Nominal)1
Operating Pressure (psi)40 - 120
Operating Temperature (°F)33 - 100
Operating Temperature (°C)4.4 - 37.8
Flow Rate (gpm)1.25
Flow Rate (lpm)4.73
Fitting TypeMPT
Fitting Size (inches)1/2 inch
ColorGray
Chlorine Tolerance95.5%
CertificationsNSF/ANSI Standard 42, NSF/ANSI Standard 53, NSF/ANSI Standard 401
IncludesSystem head with attachable bracket, smart tap filter, water supply adapter, mounting screws, 3/8 inch plastic tubing
Primary Filter MediaCarbon Block

Reduced Contaminants

The TIER1-US-ST04 reduces the following contaminants:

  • 1,1,1-Trichloroethane 95%
  • 1,1,2-Trichloroethane >99%
  • 1,1,1-Trichloro-2-propanone 96%
  • 1,2,4-Trichlorobenzene >99%
  • 1,1-Dichloroethtlene >99%
  • 1,1-Dichloro-2-propanone 99%
  • 1,2-Dichloroethane 95%
  • 1,2-Dichloropropane >99%
  • 2,4-Dichlorophenoxyacetic Acid (2,4-D) 99%
  • Alachlor >98%
  • Asbestos 99%
  • Atrazine >97%
  • Benzene >99%
  • Bisphenol A >98.9%
  • Bromochloroacetonitrile 98%
  • Bromodichloromethane 95%
  • Bromoform 95%
  • Carbofuran >99%
  • Carbon Tetrachloride 98%
  • Chloramines 89.1%
  • Chlorine Taste & Odor 89.1%
  • Chlorobenzene / Monochlorobenzene >99%
  • Chlorodibromomethane 95%
  • Chloroform 95%
  • Chloropicrin 99%
  • Cis-1,2-Dichloroethylene >99%
  • Cis-1,3-Dichloropropylene >99%
  • Cysts >99.99%
  • Dibromochloropropane (DBCP) >99%
  • Dibromoacetonitrile 98%
  • Dichloroacetonitrile 98%
  • Dinoseb 99%
  • Endrin 99%
  • Estrone >96.5%
  • Ethylbenzene >99%
  • Ethylene Dibromide (EDP) / 1,2-Dibromoethane >99%
  • Heptachlor (H-34,Heptox) >99%
  • Heptachlor Epoxide 98%
  • Hexachlorobutadiene >98%
  • Hexachlorocyclopentadiene >99%
  • Ibuprofen >95.4%
  • Lead at pH 6.5 >99.3%
  • Lead at pH 8.5 >99.4%
  • Lindane >99%
  • Mercury at pH 6.5 >96.6%
  • Mercury at pH 8.5 >96.7%
  • Methoxychlor >99%
  • Methyl tertiary butyl ether (MTBE) 66.9%
  • Naproxen >96.4%
  • Nonylphenol >97.5%
  • O-Dichlorobenzene >99%
  • P-Dichlorobenzene >98%
  • Particulates (Class I) >99.9%
  • Pentachlorophenol >99%
  • Pesticides >95.6%
  • Simazine >97%
  • Styrene >99%
  • Toluene >99%
  • Trans-1,2-Dichloroethylene >99%
  • Trichloroacetonitrile 98%
  • Trichloroethylene >99%
  • Turbidity 99.0%
  • VOCs 96.7%
  • Xylene >99%

The TIER1-US-ST04 is comparable with the following part numbers

TIER1-US-ST04 US-ST04
CULLIGAN-US-EZ-4 US-EZ-4
CULLIGAN-US-EZ-3 US-EZ-3

Installation Guide

Instructions

  1. Turn off cold water shut-off valve then turn on the kitchen faucet and allow water to drain from line.
  2. Disconnect the cold water line from the cold water shut-off valve
  3. Connect the water supply adapter to the cold water shut-off valve, as shown.
  4. For more filter changing assistance please watch our video below: