FM-3700B PUR 3-Stage Vertical Faucet Filter System - Chrome

Price $38.99
Availability: Out of stock
  • Easy 1-click installation fits any faucet
  • On/Off switch so you can easily choose between filtered and unfiltered water
  • Optimal filtration for great tasting drinking water
  • Filter change indicator alerts you when it is time to change your filter
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Enjoy healthy, clean water from your kitchen or bathroom faucet with the PUR Mineral Clear FM-3700B-CHR filtration system. The FM-3700B faucet filter system comes in a stylish chrome color with a vertical dispenser that fits any standard faucet. Includes adapters for both internal and external thread faucets for easy 1-click installation. Choose from filtered and unfiltered modes with a simple on/off switch so you don't use up your filter washing dishes. The PUR FM-3700B faucet filter system uses the PUR RF-9999 3-stage filter and is certified to meet NSF Standards 42 & 53 for contaminant reduction.
Package Qty 1
Used In Brands PUR
Manufacturer's Id FM-3700B
UPC 723987005249
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 Chrome
Includes FM-3700B-CHR Faucet filter system, RF-9999 Replacement filter, Adapters for internal and external thread faucets

Reduced Contaminants

The PUR-FM-3700B-VERTICAL-FAUCET-CHR 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%
  • Fluoride NF
  • 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-3700B-VERTICAL-FAUCET-CHR is comparable with the following part numbers

FM-3700B 84832880 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-3700B-VERTICAL-FAUCET-CHR 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