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PUR FM-3400 Faucet Filter System

Price $32.99 List Price Price $39.99 Save 17%
Availability: Discontinued
Choose a quantity
  • 1 Filter $32.99  
  • 3 Filters Price $32.09 each
  • 6 Filters Price $31.09 each
The PUR FM-3400 faucet filter is a 2-stage water filtration system that removes 99.99% microbial cysts, cryptosporidium, and giardia. The PUR FM-3400 faucet water filter system has an automated filter life indicator to inform you when to change the filter. The PUR FM-3400 filter lasts up to 100 gallons or approximately 2 to 3 months. The PUR FM3400 faucet filtration system allows you to switch between filtered and unfiltered water. The swivel spray feature allows you to adjust the water where you need it. The PUR FM-3400 faucet filter has an added layer to trap sediment and an improved activated carbon filter. The replacement filter for this PUR FM-3400 faucet filter system is the PUR RF-9999 faucet filter.
Package Qty 1
Used In Brands PUR
Manufacturer's Id FM-3400B
UPC 723987005157
Actual Size (in) 6 1/2 inches (length) x 2 1/2 inches (width) x 5 inches (height)
Actual Size (cm) 16.51 x 6.35 x 12.7
Filter Life (gallons) 100
Filter Life (liters) 378.54
Filter Life (months) 3 months
Color White
Certifications NSF/ANSI Standard 42, NSF/ANSI Standard 53
Includes FM-3400B-WHT Faucet filter system, RF-9999 Replacement filter, Adapters for internal and external thread faucets

Reduced Contaminants

The PUR-FM-3400B-VERTICAL-FAUCET-WHT reduces the following contaminants:

  • 1,2-Dichlorobenzene / O-Dichlorobenzene (ODCB) 99.97%
  • 2,4-Dichlorophenoxyacetic Acid (2,4-D) 97.73%
  • Asbestos 99.89%
  • Atrazine 94.44%
  • Benzene 96.84%
  • Carbofuran 98.76%
  • Carbon Tetrachloride 96.70%
  • Chlordane 99.48%
  • Chlorine Taste & Odor 97.38%
  • Chlorobenzene / Monochlorobenzene 99.97%
  • Cysts 99.99%
  • Endrin 96.68%
  • Ethylbenzene 99.98%
  • Fenoprop / Silvex (2,4,5-TP) 99.21%
  • Heptachlor 99.47%
  • Lead at pH 6.5 99.34%
  • Lead at pH 8.5 97.72%
  • Lindane 99.06%
  • Mercury at pH 6.5 96.69%
  • Mercury at pH 8.5 96.17%
  • Methoxychlor 99.77%
  • Methyl tertiary butyl ether (MTBE) 84.43%
  • Particulates (Class I) 99.76%
  • Simazine 98.23%
  • Styrene 99.97%
  • Tetrachloroethylene / Perchloroethylene (PERC) 96.63%
  • Toluene 99.40%
  • Total Trihalomethanes (TTHM) 98.85%
  • Toxaphene 93.02%
  • Trichloroethylene 99.82%
  • Turbidity 98.84%
  • VOCs 99.59%

The PUR-FM-3400B-VERTICAL-FAUCET-WHT is comparable with the following part numbers

FM-3400B 84832878 FM-3000 FM-3333
FM-3333B FM-3333B-NM FM-3333BNM FM-3350
FM-3400 FM-3400B FM-3500 FM-3500B
FM-3550 FM-3600 FM-3700 FM-3700B
FM-3800 FM-4010-L FM-4100 FM-4100B
FM-4200-L FM-4300-L FM-4400 FM-4500-L
FM-4550-L FM-4600-B FM-4700-L FM-4800-B
FM-4900-L FM-5050B FM-5050C FM-7300
FM-7400 FM-7500 FM-7600 FM-8100
FM-8200 FM-8300 FM-8400 FM-8500
FM-8700 FM-8800 FM-9000 FM-9100
FM-9300 FM-9400 FM-9400B FM-9500
FM-9600 FM-9600B FM-9700 FM-9800

The PUR-FM-3400B-VERTICAL-FAUCET-WHT fits the following model numbers

84832894 Classic Clear Filter Mineral Clear Mineral Clear Filter
MineralClear MineralClear Filter PUR Classic Clear PUR Mineral Clear
PUR MineralClear PUR-RF9999-2NM RF-3050 RF-3375
RF-4050 RF-9999 RF-9999-1 RF-9999-2
RF-9999-2NM RF-9999-3 RF-9999-6 RF3050
RF3375 RF4050 RF9999 RF9999-1
RF9999-2 RF9999-2NM RF9999-3 RF9999-6

User Guide


  1. Remove the faucet aerator and old washer
  2. Choose a faucet adapter by selecting the faucet thread style that best matches your faucet
  3. Ensure rubber washer is inside threaded end of faucet adapter and hand tighten
  4. Twist top cover off PUR faucet filter unit and insert filter (note: filter will fit loosely in the unit) and replace the cover
  5. Attach the filter unit to your faucet with the PUR logo facing the front by pushing the unit up until you hear it click onto the faucet
  6. Run cold water for 5 minutes with the faucet set to the filtered position to flush the filter cartridge (it is normal to see cloudy water and loose materials, or hear air forced out of the filter while flushing the cartridge)
  7. For filtered water push down on the water switch (do not run this position with hot water)
  8. For unfiltered water pull up on the water switch (it is okay to run hot water in the filter-off position

Reset Instructions

  1. Installing the new filter cartridge automatically resets the filter life indicator light